Home / 28,007,043.90-42,010,565.85-25,854,707.85

Finding the Fourth Proportional to 28,007,043.90, 42,010,565.85 and 25,854,707.85

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Solution

The fourth proportional to 28,007,043.90, 42,010,565.85 and 25,854,707.85 is: 38,782,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007,043.90 : 42,010,565.85 = 25,854,707.85 : x
  2. Step 2: Convert to fraction form
    28,007,043.90/42,010,565.85 = 25,854,707.85/x
  3. Step 3: Cross multiply
    28,007,043.90x = 42,010,565.85 × 25,854,707.85
  4. Step 4: Simplify right side
    28,007,043.90x = 1,086,170,906,664,937
  5. Step 5: Solve for x
    x = 1,086,170,906,664,937/28,007,043.90
  6. Step 6: Final answer
    x = 38,782,061.78

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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.