Home / 18,681,849.62-25,777,759.65-10,839,564.04

Finding the Fourth Proportional to 18,681,849.62, 25,777,759.65 and 10,839,564.04

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Solution

The fourth proportional to 18,681,849.62, 25,777,759.65 and 10,839,564.04 is: 14,956,745.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681,849.62 : 25,777,759.65 = 10,839,564.04 : x
  2. Step 2: Convert to fraction form
    18,681,849.62/25,777,759.65 = 10,839,564.04/x
  3. Step 3: Cross multiply
    18,681,849.62x = 25,777,759.65 × 10,839,564.04
  4. Step 4: Simplify right side
    18,681,849.62x = 279,419,676,469,458.56
  5. Step 5: Solve for x
    x = 279,419,676,469,458.56/18,681,849.62
  6. Step 6: Final answer
    x = 14,956,745.84

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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.