Finding the Fourth Proportional to 16,129,356.80, 24,194,035.20 and 7,153,908.80
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Solution
The fourth proportional to 16,129,356.80, 24,194,035.20 and 7,153,908.80 is: 10,730,863.20
Step by Step Solution
- Step 1: Write the proportion equation
16,129,356.80 : 24,194,035.20 = 7,153,908.80 : x - Step 2: Convert to fraction form
16,129,356.80/24,194,035.20 = 7,153,908.80/x - Step 3: Cross multiply
16,129,356.80x = 24,194,035.20 × 7,153,908.80 - Step 4: Simplify right side
16,129,356.80x = 173,081,921,324,789.75 - Step 5: Solve for x
x = 173,081,921,324,789.75/16,129,356.80 - Step 6: Final answer
x = 10,730,863.20
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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.