Finding the Fourth Proportional to 17,716,787.64, 24,449,239.26 and 9,981,942.12
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Solution
The fourth proportional to 17,716,787.64, 24,449,239.26 and 9,981,942.12 is: 13,775,120.87
Step by Step Solution
- Step 1: Write the proportion equation
17,716,787.64 : 24,449,239.26 = 9,981,942.12 : x - Step 2: Convert to fraction form
17,716,787.64/24,449,239.26 = 9,981,942.12/x - Step 3: Cross multiply
17,716,787.64x = 24,449,239.26 × 9,981,942.12 - Step 4: Simplify right side
17,716,787.64x = 244,050,891,171,351.62 - Step 5: Solve for x
x = 244,050,891,171,351.62/17,716,787.64 - Step 6: Final answer
x = 13,775,120.87
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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.