Finding the Fourth Proportional to 6,387,451.44, 9,532,295.54 and 5,705,878.11
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Solution
The fourth proportional to 6,387,451.44, 9,532,295.54 and 5,705,878.11 is: 8,515,151.46
Step by Step Solution
- Step 1: Write the proportion equation
6,387,451.44 : 9,532,295.54 = 5,705,878.11 : x - Step 2: Convert to fraction form
6,387,451.44/9,532,295.54 = 5,705,878.11/x - Step 3: Cross multiply
6,387,451.44x = 9,532,295.54 × 5,705,878.11 - Step 4: Simplify right side
6,387,451.44x = 54,390,116,431,207.24 - Step 5: Solve for x
x = 54,390,116,431,207.24/6,387,451.44 - Step 6: Final answer
x = 8,515,151.46
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.