Finding the Fourth Proportional to 16,129,747.38, 22,258,984.68 and 8,787,557.97
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Solution
The fourth proportional to 16,129,747.38, 22,258,984.68 and 8,787,557.97 is: 12,126,793.65
Step by Step Solution
- Step 1: Write the proportion equation
16,129,747.38 : 22,258,984.68 = 8,787,557.97 : x - Step 2: Convert to fraction form
16,129,747.38/22,258,984.68 = 8,787,557.97/x - Step 3: Cross multiply
16,129,747.38x = 22,258,984.68 × 8,787,557.97 - Step 4: Simplify right side
16,129,747.38x = 195,602,118,228,841.91 - Step 5: Solve for x
x = 195,602,118,228,841.91/16,129,747.38 - Step 6: Final answer
x = 12,126,793.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.