Home / 20,775,164.32-31,304,552.15-17,071,611.04

Finding the Fourth Proportional to 20,775,164.32, 31,304,552.15 and 17,071,611.04

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Solution

The fourth proportional to 20,775,164.32, 31,304,552.15 and 17,071,611.04 is: 25,723,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,775,164.32 : 31,304,552.15 = 17,071,611.04 : x
  2. Step 2: Convert to fraction form
    20,775,164.32/31,304,552.15 = 17,071,611.04/x
  3. Step 3: Cross multiply
    20,775,164.32x = 31,304,552.15 × 17,071,611.04
  4. Step 4: Simplify right side
    20,775,164.32x = 534,419,138,086,195.69
  5. Step 5: Solve for x
    x = 534,419,138,086,195.69/20,775,164.32
  6. Step 6: Final answer
    x = 25,723,942.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.