Finding the Fourth Proportional to 10,913,107.20, 16,375,565.70 and 4,524,005.40
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Solution
The fourth proportional to 10,913,107.20, 16,375,565.70 and 4,524,005.40 is: 6,788,455.96
Step by Step Solution
- Step 1: Write the proportion equation
10,913,107.20 : 16,375,565.70 = 4,524,005.40 : x - Step 2: Convert to fraction form
10,913,107.20/16,375,565.70 = 4,524,005.40/x - Step 3: Cross multiply
10,913,107.20x = 16,375,565.70 × 4,524,005.40 - Step 4: Simplify right side
10,913,107.20x = 74,083,147,654,854.78 - Step 5: Solve for x
x = 74,083,147,654,854.78/10,913,107.20 - Step 6: Final answer
x = 6,788,455.96
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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.