Finding the Fourth Proportional to 18,279,396.47, 27,392,190.49 and 8,034,874.75
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Solution
The fourth proportional to 18,279,396.47, 27,392,190.49 and 8,034,874.75 is: 12,040,486.13
Step by Step Solution
- Step 1: Write the proportion equation
18,279,396.47 : 27,392,190.49 = 8,034,874.75 : x - Step 2: Convert to fraction form
18,279,396.47/27,392,190.49 = 8,034,874.75/x - Step 3: Cross multiply
18,279,396.47x = 27,392,190.49 × 8,034,874.75 - Step 4: Simplify right side
18,279,396.47x = 220,092,819,715,291.12 - Step 5: Solve for x
x = 220,092,819,715,291.12/18,279,396.47 - Step 6: Final answer
x = 12,040,486.13
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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.