Home / 18,729,011.43-28,093,517.15-5,265,839.43

Finding the Fourth Proportional to 18,729,011.43, 28,093,517.15 and 5,265,839.43

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Solution

The fourth proportional to 18,729,011.43, 28,093,517.15 and 5,265,839.43 is: 7,898,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729,011.43 : 28,093,517.15 = 5,265,839.43 : x
  2. Step 2: Convert to fraction form
    18,729,011.43/28,093,517.15 = 5,265,839.43/x
  3. Step 3: Cross multiply
    18,729,011.43x = 28,093,517.15 × 5,265,839.43
  4. Step 4: Simplify right side
    18,729,011.43x = 147,935,950,309,522.03
  5. Step 5: Solve for x
    x = 147,935,950,309,522.03/18,729,011.43
  6. Step 6: Final answer
    x = 7,898,759.15

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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.