Finding the Fourth Proportional to 20,729,077.68, 31,092,494.58 and 6,352,186.80
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Solution
The fourth proportional to 20,729,077.68, 31,092,494.58 and 6,352,186.80 is: 9,527,936.39
Step by Step Solution
- Step 1: Write the proportion equation
20,729,077.68 : 31,092,494.58 = 6,352,186.80 : x - Step 2: Convert to fraction form
20,729,077.68/31,092,494.58 = 6,352,186.80/x - Step 3: Cross multiply
20,729,077.68x = 31,092,494.58 × 6,352,186.80 - Step 4: Simplify right side
20,729,077.68x = 197,505,333,650,147.53 - Step 5: Solve for x
x = 197,505,333,650,147.53/20,729,077.68 - Step 6: Final answer
x = 9,527,936.39
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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.