Home / 20,456,222.13-28,230,246.90-11,635,446.60

Finding the Fourth Proportional to 20,456,222.13, 28,230,246.90 and 11,635,446.60

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Solution

The fourth proportional to 20,456,222.13, 28,230,246.90 and 11,635,446.60 is: 16,057,291.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,456,222.13 : 28,230,246.90 = 11,635,446.60 : x
  2. Step 2: Convert to fraction form
    20,456,222.13/28,230,246.90 = 11,635,446.60/x
  3. Step 3: Cross multiply
    20,456,222.13x = 28,230,246.90 × 11,635,446.60
  4. Step 4: Simplify right side
    20,456,222.13x = 328,471,530,309,765.50
  5. Step 5: Solve for x
    x = 328,471,530,309,765.50/20,456,222.13
  6. Step 6: Final answer
    x = 16,057,291.92

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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.