Finding the Fourth Proportional to 18,440,354.12, 27,660,597.60 and 5,660,859.44
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Solution
The fourth proportional to 18,440,354.12, 27,660,597.60 and 5,660,859.44 is: 8,491,309.55
Step by Step Solution
- Step 1: Write the proportion equation
18,440,354.12 : 27,660,597.60 = 5,660,859.44 : x - Step 2: Convert to fraction form
18,440,354.12/27,660,597.60 = 5,660,859.44/x - Step 3: Cross multiply
18,440,354.12x = 27,660,597.60 × 5,660,859.44 - Step 4: Simplify right side
18,440,354.12x = 156,582,755,040,001.38 - Step 5: Solve for x
x = 156,582,755,040,001.38/18,440,354.12 - Step 6: Final answer
x = 8,491,309.55
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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.