Finding the Fourth Proportional to 14,757,934.32, 22,129,815.60 and 8,366,470.56
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Solution
The fourth proportional to 14,757,934.32, 22,129,815.60 and 8,366,470.56 is: 12,545,688.76
Step by Step Solution
- Step 1: Write the proportion equation
14,757,934.32 : 22,129,815.60 = 8,366,470.56 : x - Step 2: Convert to fraction form
14,757,934.32/22,129,815.60 = 8,366,470.56/x - Step 3: Cross multiply
14,757,934.32x = 22,129,815.60 × 8,366,470.56 - Step 4: Simplify right side
14,757,934.32x = 185,148,450,715,628.75 - Step 5: Solve for x
x = 185,148,450,715,628.75/14,757,934.32 - Step 6: Final answer
x = 12,545,688.76
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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.