Finding the Fourth Proportional to 8,086,179.40, 12,129,269.10 and 2,695,005.70
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Solution
The fourth proportional to 8,086,179.40, 12,129,269.10 and 2,695,005.70 is: 4,042,508.55
Step by Step Solution
- Step 1: Write the proportion equation
8,086,179.40 : 12,129,269.10 = 2,695,005.70 : x - Step 2: Convert to fraction form
8,086,179.40/12,129,269.10 = 2,695,005.70/x - Step 3: Cross multiply
8,086,179.40x = 12,129,269.10 × 2,695,005.70 - Step 4: Simplify right side
8,086,179.40x = 32,688,449,361,333.87 - Step 5: Solve for x
x = 32,688,449,361,333.87/8,086,179.40 - Step 6: Final answer
x = 4,042,508.55
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Similar ratio
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1.5x scale
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.