Finding the Fourth Proportional to 16,521,917.70, 24,773,253.75 and 6,412,728.90
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Solution
The fourth proportional to 16,521,917.70, 24,773,253.75 and 6,412,728.90 is: 9,615,358.41
Step by Step Solution
- Step 1: Write the proportion equation
16,521,917.70 : 24,773,253.75 = 6,412,728.90 : x - Step 2: Convert to fraction form
16,521,917.70/24,773,253.75 = 6,412,728.90/x - Step 3: Cross multiply
16,521,917.70x = 24,773,253.75 × 6,412,728.90 - Step 4: Simplify right side
16,521,917.70x = 158,864,160,269,658.38 - Step 5: Solve for x
x = 158,864,160,269,658.38/16,521,917.70 - Step 6: Final answer
x = 9,615,358.41
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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.