Finding the Fourth Proportional to 8,343,028.30, 12,514,542.45 and 8,201,310.70
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Solution
The fourth proportional to 8,343,028.30, 12,514,542.45 and 8,201,310.70 is: 12,301,966.05
Step by Step Solution
- Step 1: Write the proportion equation
8,343,028.30 : 12,514,542.45 = 8,201,310.70 : x - Step 2: Convert to fraction form
8,343,028.30/12,514,542.45 = 8,201,310.70/x - Step 3: Cross multiply
8,343,028.30x = 12,514,542.45 × 8,201,310.70 - Step 4: Simplify right side
8,343,028.30x = 102,635,650,900,789.22 - Step 5: Solve for x
x = 102,635,650,900,789.22/8,343,028.30 - Step 6: Final answer
x = 12,301,966.05
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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.