Home / 20,940,535.26-28,888,493.76-12,234,793.50

Finding the Fourth Proportional to 20,940,535.26, 28,888,493.76 and 12,234,793.50

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Solution

The fourth proportional to 20,940,535.26, 28,888,493.76 and 12,234,793.50 is: 16,878,496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,940,535.26 : 28,888,493.76 = 12,234,793.50 : x
  2. Step 2: Convert to fraction form
    20,940,535.26/28,888,493.76 = 12,234,793.50/x
  3. Step 3: Cross multiply
    20,940,535.26x = 28,888,493.76 × 12,234,793.50
  4. Step 4: Simplify right side
    20,940,535.26x = 353,444,755,679,638.56
  5. Step 5: Solve for x
    x = 353,444,755,679,638.56/20,940,535.26
  6. Step 6: Final answer
    x = 16,878,496.72

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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.