Finding the Fourth Proportional to 38,941,115.60, 58,322,238.68 and 19,450,516.88
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Solution
The fourth proportional to 38,941,115.60, 58,322,238.68 and 19,450,516.88 is: 29,131,103.99
Step by Step Solution
- Step 1: Write the proportion equation
38,941,115.60 : 58,322,238.68 = 19,450,516.88 : x - Step 2: Convert to fraction form
38,941,115.60/58,322,238.68 = 19,450,516.88/x - Step 3: Cross multiply
38,941,115.60x = 58,322,238.68 × 19,450,516.88 - Step 4: Simplify right side
38,941,115.60x = 1,134,397,687,924,728.75 - Step 5: Solve for x
x = 1,134,397,687,924,728.75/38,941,115.60 - Step 6: Final answer
x = 29,131,103.99
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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.