Finding the Fourth Proportional to 11,687,877.74, 17,535,753.18 and 7,364,907.74
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Solution
The fourth proportional to 11,687,877.74, 17,535,753.18 and 7,364,907.74 is: 11,049,842.17
Step by Step Solution
- Step 1: Write the proportion equation
11,687,877.74 : 17,535,753.18 = 7,364,907.74 : x - Step 2: Convert to fraction form
11,687,877.74/17,535,753.18 = 7,364,907.74/x - Step 3: Cross multiply
11,687,877.74x = 17,535,753.18 × 7,364,907.74 - Step 4: Simplify right side
11,687,877.74x = 129,149,204,322,111.61 - Step 5: Solve for x
x = 129,149,204,322,111.61/11,687,877.74 - Step 6: Final answer
x = 11,049,842.17
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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.