Home / 18,722,206.60-28,086,420.30-7,363,025.80

Finding the Fourth Proportional to 18,722,206.60, 28,086,420.30 and 7,363,025.80

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Solution

The fourth proportional to 18,722,206.60, 28,086,420.30 and 7,363,025.80 is: 11,045,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,206.60 : 28,086,420.30 = 7,363,025.80 : x
  2. Step 2: Convert to fraction form
    18,722,206.60/28,086,420.30 = 7,363,025.80/x
  3. Step 3: Cross multiply
    18,722,206.60x = 28,086,420.30 × 7,363,025.80
  4. Step 4: Simplify right side
    18,722,206.60x = 206,801,037,298,543.75
  5. Step 5: Solve for x
    x = 206,801,037,298,543.75/18,722,206.60
  6. Step 6: Final answer
    x = 11,045,761.95

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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.