Finding the Fourth Proportional to 18,279,395.47, 27,392,188.99 and 8,034,873.75
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Solution
The fourth proportional to 18,279,395.47, 27,392,188.99 and 8,034,873.75 is: 12,040,484.63
Step by Step Solution
- Step 1: Write the proportion equation
18,279,395.47 : 27,392,188.99 = 8,034,873.75 : x - Step 2: Convert to fraction form
18,279,395.47/27,392,188.99 = 8,034,873.75/x - Step 3: Cross multiply
18,279,395.47x = 27,392,188.99 × 8,034,873.75 - Step 4: Simplify right side
18,279,395.47x = 220,092,780,270,790 - Step 5: Solve for x
x = 220,092,780,270,790/18,279,395.47 - Step 6: Final answer
x = 12,040,484.63
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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.