Math Problem Statement

Rosalie obtains a 30 year Fixed Rate, Constant Payment Mortgage with monthly payments for $4,500,000 at 4.38%. Her monthly payment is $20,000. What is the balloon payment for this mortgage after 360 payments are made? (e.g. if you get $50,66666, write 50.67)

Solution

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Math Problem Analysis

Mathematical Concepts

Amortization
Fixed-Rate Mortgages
Loan Repayment

Formulas

Amortization formula: M = P [r(1 + r)^n] / [(1 + r)^n - 1]
Remaining balance formula for fully amortizing loan: Remaining balance = 0 after all payments

Theorems

Fully Amortizing Loan Theorem

Suitable Grade Level

College level or advanced high school (Grades 11-12)