Finding the Fourth Proportional to 11,178,067.95, 15,427,367.33 and 6,283,693.17
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Solution
The fourth proportional to 11,178,067.95, 15,427,367.33 and 6,283,693.17 is: 8,672,414.87
Step by Step Solution
- Step 1: Write the proportion equation
11,178,067.95 : 15,427,367.33 = 6,283,693.17 : x - Step 2: Convert to fraction form
11,178,067.95/15,427,367.33 = 6,283,693.17/x - Step 3: Cross multiply
11,178,067.95x = 15,427,367.33 × 6,283,693.17 - Step 4: Simplify right side
11,178,067.95x = 96,940,842,691,183.67 - Step 5: Solve for x
x = 96,940,842,691,183.67/11,178,067.95 - Step 6: Final answer
x = 8,672,414.87
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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.