Finding the Fourth Proportional to 38,238,987.08, 57,364,179.78 and 13,644,996.68
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Solution
The fourth proportional to 38,238,987.08, 57,364,179.78 and 13,644,996.68 is: 20,469,528.68
Step by Step Solution
- Step 1: Write the proportion equation
38,238,987.08 : 57,364,179.78 = 13,644,996.68 : x - Step 2: Convert to fraction form
38,238,987.08/57,364,179.78 = 13,644,996.68/x - Step 3: Cross multiply
38,238,987.08x = 57,364,179.78 × 13,644,996.68 - Step 4: Simplify right side
38,238,987.08x = 782,734,042,649,023.12 - Step 5: Solve for x
x = 782,734,042,649,023.12/38,238,987.08 - Step 6: Final answer
x = 20,469,528.68
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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.