Total Electricity bill amount - SAR 523.19 shared between 7 members for the number of days lived accordingly.
The cost per day is divided as per the members lived together. not together as a whole for month.
Divide and Calculate Proportional share amount for Each member of a house in a table format with below details for Electricity bill of 30 days.
First determine the number of people living together each day and then distribute the daily cost accordingly.
NUMBER OF days where each member lived:
For the first 7 days [01-07], 6 members lived together. [Ali, Bilal, Jalal, Sabari, Mujeeb, Haroon]
For the next 5 days (08-12), 5 members lived together. [Ali, Bilal, Jalal, Sabari, Mujeeb]
For the next 3 days (13-15), 4 members lived together. [Ali, Bilal, Jalal, Sabari]
For the next 15 days (16-30), 5 members lived together. [Ali, Bilal, Jalal, Sabari , Irfan]
Ali - 30 Days [From 01-30th]
Bilal - 30 Days [From 01-30th]
Jalal - 30 Days [From 01-30th]
Sabari - 30 Days [From 01-30th]
Irfan - 15 Days [From 15th-30th]
Mujeeb - 12 Days [From 01-12th]
Haroon - 7 Days [From 01-07th]

To determine the proportional share of the electricity bill for each member based on the number of days they lived together and the number of people living together each day, we can break down the calculations as follows:

1. Calculate the cost per day.
2. Distribute the daily cost proportionally based on the number of people living together on that day.
3. Sum the individual shares for each member.

### Breakdown of Daily Cost Distribution:

**Total Bill Amount**: SAR 523.19

**Total Days**: 30

**Cost Per Day**: \( \frac{523.19}{30} = 17.4397 \) (approximately SAR 17.44)

### Distribution of Daily Costs:

#### For the first 7 days (01-07):
- **6 members (Ali, Bilal, Jalal, Sabari, Mujeeb, Haroon)**
- Daily cost per member: \( \frac{17.44}{6} = 2.9067 \) (approximately SAR 2.91)

#### For the next 5 days (08-12):
- **5 members (Ali, Bilal, Jalal, Sabari, Mujeeb)**
- Daily cost per member: \( \frac{17.44}{5} = 3.488 \)

#### For the next 3 days (13-15):
- **4 members (Ali, Bilal, Jalal, Sabari)**
- Daily cost per member: \( \frac{17.44}{4} = 4.36 \)

#### For the next 15 days (16-30):
- **5 members (Ali, Bilal, Jalal, Sabari, Irfan)**
- Daily cost per member: \( \frac{17.44}{5} = 3.488 \)

### Calculation of Individual Shares:

| Member | Days lived | Cost per Day | Total Cost (SAR) |
|--------|------------|--------------|------------------|
| Ali    | 30         | -            | (7 * 2.91) + (5 * 3.488) + (3 * 4.36) + (15 * 3.488) = 20.37 + 17.44 + 13.08 + 52.32 = 103.21 |
| Bilal  | 30         | -            | (7 * 2.91) + (5 * 3.488) + (3 * 4.36) + (15 * 3.488) = 103.21 |
| Jalal  | 30         | -            | (7 * 2.91) + (5 * 3.488) + (3 * 4.36) + (15 * 3.488) = 103.21 |
| Sabari | 30         | -            | (7 * 2.91) + (5 * 3.488) + (3 * 4.36) + (15 * 3.488) = 103.21 |
| Irfan  | 15         | -            | (15 * 3.488) = 52.32 |
| Mujeeb | 12         | -            | (7 * 2.91) + (5 * 3.488) = 20.37 + 17.44 = 37.81 |
| Haroon | 7          | -            | (7 * 2.91) = 20.37 |

### Final Proportional Share Table:

| Member | Days Lived | Total Cost (SAR) |
|--------|------------|------------------|
| Ali    | 30         | 103.21           |
| Bilal  | 30         | 103.21           |
| Jalal  | 30         | 103.21           |
| Sabari | 30         | 103.21           |
| Irfan  | 15         | 52.32            |
| Mujeeb | 12         | 37.81            |
| Haroon | 7          | 20.37            |

Do you want more details or have any questions?

### Related Questions:
1. How is the cost per day calculated for each member?
2. What if the number of members changes midway through the month?
3. How do we handle partial days for a member?
4. What if there are shared utilities other than electricity?
5. How do we adjust the calculation if a member joins or leaves the household unexpectedly?
6. Can this method be applied to different types of shared expenses?
7. How do we account for different usage rates among members?
8. Is there a fairer way to distribute the costs if usage patterns are very different?

### Tip:
Always document the number of days each member lived in the house to ensure fair distribution of shared expenses.

Learn how to calculate the proportional share of an electricity bill among house members based on the number of days each member lived together. Detailed breakdown for dividing the cost per day and distributing it according to living arrangements. Suitable for anyone managing shared expenses in a household.

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