Home / 18,792,142.20-28,188,213.30-15,957,790.20

Finding the Fourth Proportional to 18,792,142.20, 28,188,213.30 and 15,957,790.20

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Solution

The fourth proportional to 18,792,142.20, 28,188,213.30 and 15,957,790.20 is: 23,936,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,142.20 : 28,188,213.30 = 15,957,790.20 : x
  2. Step 2: Convert to fraction form
    18,792,142.20/28,188,213.30 = 15,957,790.20/x
  3. Step 3: Cross multiply
    18,792,142.20x = 28,188,213.30 × 15,957,790.20
  4. Step 4: Simplify right side
    18,792,142.20x = 449,821,593,954,249.62
  5. Step 5: Solve for x
    x = 449,821,593,954,249.62/18,792,142.20
  6. Step 6: Final answer
    x = 23,936,685.30

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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.