Home / 13,447,231.20-20,065,966.18-11,997,951.86

Finding the Fourth Proportional to 13,447,231.20, 20,065,966.18 and 11,997,951.86

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Solution

The fourth proportional to 13,447,231.20, 20,065,966.18 and 11,997,951.86 is: 17,903,350.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447,231.20 : 20,065,966.18 = 11,997,951.86 : x
  2. Step 2: Convert to fraction form
    13,447,231.20/20,065,966.18 = 11,997,951.86/x
  3. Step 3: Cross multiply
    13,447,231.20x = 20,065,966.18 × 11,997,951.86
  4. Step 4: Simplify right side
    13,447,231.20x = 240,750,496,272,198.12
  5. Step 5: Solve for x
    x = 240,750,496,272,198.12/13,447,231.20
  6. Step 6: Final answer
    x = 17,903,350.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.