Home / 11,015,169.92-15,200,885.28-6,121,188.80

Finding the Fourth Proportional to 11,015,169.92, 15,200,885.28 and 6,121,188.80

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Solution

The fourth proportional to 11,015,169.92, 15,200,885.28 and 6,121,188.80 is: 8,447,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015,169.92 : 15,200,885.28 = 6,121,188.80 : x
  2. Step 2: Convert to fraction form
    11,015,169.92/15,200,885.28 = 6,121,188.80/x
  3. Step 3: Cross multiply
    11,015,169.92x = 15,200,885.28 × 6,121,188.80
  4. Step 4: Simplify right side
    11,015,169.92x = 93,047,488,726,020.86
  5. Step 5: Solve for x
    x = 93,047,488,726,020.86/11,015,169.92
  6. Step 6: Final answer
    x = 8,447,213.20

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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.