Math Problem Statement

Find the present value​ (the amount that should be invested now to accumulate the following​ amount) if the money is compounded as indicated.

​$10 comma 707.7510,707.75

at

8.98.9​%

compounded

annuallyannually

for

44

yearsyears

Question content area bottom

Part 1

The present value is

​$enter your response here.

​(Do not round until the final answer. Then round to the nearest cent as​ needed.)

Solution

To find the present value (PV), we use the present value formula for compound interest:

PV=A(1+r)tPV = \dfrac{A}{(1 + r)^t}

Where:

  • AA is the accumulated amount ($10,707.75),
  • rr is the annual interest rate (8.9% or 0.089),
  • tt is the number of years (44 years).

Let's calculate:

= \dfrac{10,707.75}{(1.089)^{44}}$$ First, calculate $$(1.089)^{44}$$: $$1.089^{44} \approx 34.278$$ Now, divide the accumulated amount by this value: $$PV = \dfrac{10,707.75}{34.278} \approx 312.38$$ Thus, the present value is approximately **$312.38**. Would you like further clarification or have any questions? Here are 5 related questions: 1. How does changing the interest rate affect the present value? 2. What happens if the compounding is done quarterly instead of annually? 3. How would the present value change if the investment period was shorter? 4. What is the future value if the initial investment is known? 5. How does continuous compounding affect the present value? **Tip:** Always ensure to convert percentage rates into decimal form when using them in formulas.

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Math Problem Analysis

Mathematical Concepts

Compound Interest
Present Value
Exponential Growth

Formulas

PV = A / (1 + r)^t

Theorems

Compound Interest Formula

Suitable Grade Level

Grades 10-12