Home / 31,007,793.22-42,791,298.78-16,879,385.92

Finding the Fourth Proportional to 31,007,793.22, 42,791,298.78 and 16,879,385.92

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Solution

The fourth proportional to 31,007,793.22, 42,791,298.78 and 16,879,385.92 is: 23,293,848.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,007,793.22 : 42,791,298.78 = 16,879,385.92 : x
  2. Step 2: Convert to fraction form
    31,007,793.22/42,791,298.78 = 16,879,385.92/x
  3. Step 3: Cross multiply
    31,007,793.22x = 42,791,298.78 × 16,879,385.92
  4. Step 4: Simplify right side
    31,007,793.22x = 722,290,846,125,645.25
  5. Step 5: Solve for x
    x = 722,290,846,125,645.25/31,007,793.22
  6. Step 6: Final answer
    x = 23,293,848.78

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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.