Finding the Fourth Proportional to 11,067,147.09, 15,272,690.09 and 6,172,686.27
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Solution
The fourth proportional to 11,067,147.09, 15,272,690.09 and 6,172,686.27 is: 8,518,322.17
Step by Step Solution
- Step 1: Write the proportion equation
11,067,147.09 : 15,272,690.09 = 6,172,686.27 : x - Step 2: Convert to fraction form
11,067,147.09/15,272,690.09 = 6,172,686.27/x - Step 3: Cross multiply
11,067,147.09x = 15,272,690.09 × 6,172,686.27 - Step 4: Simplify right side
11,067,147.09x = 94,273,524,393,644.62 - Step 5: Solve for x
x = 94,273,524,393,644.62/11,067,147.09 - Step 6: Final answer
x = 8,518,322.17
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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.