Finding the Fourth Proportional to 18,086,114.10, 27,129,171.15 and 14,684,891.70
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Solution
The fourth proportional to 18,086,114.10, 27,129,171.15 and 14,684,891.70 is: 22,027,337.55
Step by Step Solution
- Step 1: Write the proportion equation
18,086,114.10 : 27,129,171.15 = 14,684,891.70 : x - Step 2: Convert to fraction form
18,086,114.10/27,129,171.15 = 14,684,891.70/x - Step 3: Cross multiply
18,086,114.10x = 27,129,171.15 × 14,684,891.70 - Step 4: Simplify right side
18,086,114.10x = 398,388,940,248,514.44 - Step 5: Solve for x
x = 398,388,940,248,514.44/18,086,114.10 - Step 6: Final answer
x = 22,027,337.55
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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.