Home / 28,551,222.97-39,400,737.67-15,498,490.73

Finding the Fourth Proportional to 28,551,222.97, 39,400,737.67 and 15,498,490.73

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Solution

The fourth proportional to 28,551,222.97, 39,400,737.67 and 15,498,490.73 is: 21,387,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,551,222.97 : 39,400,737.67 = 15,498,490.73 : x
  2. Step 2: Convert to fraction form
    28,551,222.97/39,400,737.67 = 15,498,490.73/x
  3. Step 3: Cross multiply
    28,551,222.97x = 39,400,737.67 × 15,498,490.73
  4. Step 4: Simplify right side
    28,551,222.97x = 610,651,967,533,656.88
  5. Step 5: Solve for x
    x = 610,651,967,533,656.88/28,551,222.97
  6. Step 6: Final answer
    x = 21,387,944.33

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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.