Finding the Fourth Proportional to 7,322,565.87, 10,984,446.53 and 3,677,421.08
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Solution
The fourth proportional to 7,322,565.87, 10,984,446.53 and 3,677,421.08 is: 5,516,431.80
Step by Step Solution
- Step 1: Write the proportion equation
7,322,565.87 : 10,984,446.53 = 3,677,421.08 : x - Step 2: Convert to fraction form
7,322,565.87/10,984,446.53 = 3,677,421.08/x - Step 3: Cross multiply
7,322,565.87x = 10,984,446.53 × 3,677,421.08 - Step 4: Simplify right side
7,322,565.87x = 40,394,435,221,554.85 - Step 5: Solve for x
x = 40,394,435,221,554.85/7,322,565.87 - Step 6: Final answer
x = 5,516,431.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.