Finding the Fourth Proportional to 6,815,514.98, 9,403,733.13 and 4,165,691.78
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Solution
The fourth proportional to 6,815,514.98, 9,403,733.13 and 4,165,691.78 is: 5,747,629.33
Step by Step Solution
- Step 1: Write the proportion equation
6,815,514.98 : 9,403,733.13 = 4,165,691.78 : x - Step 2: Convert to fraction form
6,815,514.98/9,403,733.13 = 4,165,691.78/x - Step 3: Cross multiply
6,815,514.98x = 9,403,733.13 × 4,165,691.78 - Step 4: Simplify right side
6,815,514.98x = 39,173,053,800,954.67 - Step 5: Solve for x
x = 39,173,053,800,954.67/6,815,514.98 - Step 6: Final answer
x = 5,747,629.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.