Home / 20,535,125.28-28,340,046.72-11,714,770.68

Finding the Fourth Proportional to 20,535,125.28, 28,340,046.72 and 11,714,770.68

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Solution

The fourth proportional to 20,535,125.28, 28,340,046.72 and 11,714,770.68 is: 16,167,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535,125.28 : 28,340,046.72 = 11,714,770.68 : x
  2. Step 2: Convert to fraction form
    20,535,125.28/28,340,046.72 = 11,714,770.68/x
  3. Step 3: Cross multiply
    20,535,125.28x = 28,340,046.72 × 11,714,770.68
  4. Step 4: Simplify right side
    20,535,125.28x = 331,997,148,385,286.12
  5. Step 5: Solve for x
    x = 331,997,148,385,286.12/20,535,125.28
  6. Step 6: Final answer
    x = 16,167,281.37

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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.