Finding the Fourth Proportional to 11,121,191.92, 16,678,565.70 and 3,339,792.28
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Solution
The fourth proportional to 11,121,191.92, 16,678,565.70 and 3,339,792.28 is: 5,008,720.77
Step by Step Solution
- Step 1: Write the proportion equation
11,121,191.92 : 16,678,565.70 = 3,339,792.28 : x - Step 2: Convert to fraction form
11,121,191.92/16,678,565.70 = 3,339,792.28/x - Step 3: Cross multiply
11,121,191.92x = 16,678,565.70 × 3,339,792.28 - Step 4: Simplify right side
11,121,191.92x = 55,702,944,966,332.79 - Step 5: Solve for x
x = 55,702,944,966,332.79/11,121,191.92 - Step 6: Final answer
x = 5,008,720.77
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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.