Finding the Fourth Proportional to 11,687,343.86, 17,531,015.94 and 3,167,680.32
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Solution
The fourth proportional to 11,687,343.86, 17,531,015.94 and 3,167,680.32 is: 4,751,520.52
Step by Step Solution
- Step 1: Write the proportion equation
11,687,343.86 : 17,531,015.94 = 3,167,680.32 : x - Step 2: Convert to fraction form
11,687,343.86/17,531,015.94 = 3,167,680.32/x - Step 3: Cross multiply
11,687,343.86x = 17,531,015.94 × 3,167,680.32 - Step 4: Simplify right side
11,687,343.86x = 55,532,654,182,744.30 - Step 5: Solve for x
x = 55,532,654,182,744.30/11,687,343.86 - Step 6: Final answer
x = 4,751,520.52
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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.