Finding the Fourth Proportional to 18,403,500.17, 27,641,121.87 and 14,994,306.16
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Solution
The fourth proportional to 18,403,500.17, 27,641,121.87 and 14,994,306.16 is: 22,520,685.74
Step by Step Solution
- Step 1: Write the proportion equation
18,403,500.17 : 27,641,121.87 = 14,994,306.16 : x - Step 2: Convert to fraction form
18,403,500.17/27,641,121.87 = 14,994,306.16/x - Step 3: Cross multiply
18,403,500.17x = 27,641,121.87 × 14,994,306.16 - Step 4: Simplify right side
18,403,500.17x = 414,459,443,924,651.75 - Step 5: Solve for x
x = 414,459,443,924,651.75/18,403,500.17 - Step 6: Final answer
x = 22,520,685.74
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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.