Home / 13,451,659.70-20,177,489.55-12,176,201.30

Finding the Fourth Proportional to 13,451,659.70, 20,177,489.55 and 12,176,201.30

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Solution

The fourth proportional to 13,451,659.70, 20,177,489.55 and 12,176,201.30 is: 18,264,301.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451,659.70 : 20,177,489.55 = 12,176,201.30 : x
  2. Step 2: Convert to fraction form
    13,451,659.70/20,177,489.55 = 12,176,201.30/x
  3. Step 3: Cross multiply
    13,451,659.70x = 20,177,489.55 × 12,176,201.30
  4. Step 4: Simplify right side
    13,451,659.70x = 245,685,174,489,446.44
  5. Step 5: Solve for x
    x = 245,685,174,489,446.44/13,451,659.70
  6. Step 6: Final answer
    x = 18,264,301.95

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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.