Home / 13,591,585.56-20,377,195.20-8,198,978.94

Finding the Fourth Proportional to 13,591,585.56, 20,377,195.20 and 8,198,978.94

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Solution

The fourth proportional to 13,591,585.56, 20,377,195.20 and 8,198,978.94 is: 12,292,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,585.56 : 20,377,195.20 = 8,198,978.94 : x
  2. Step 2: Convert to fraction form
    13,591,585.56/20,377,195.20 = 8,198,978.94/x
  3. Step 3: Cross multiply
    13,591,585.56x = 20,377,195.20 × 8,198,978.94
  4. Step 4: Simplify right side
    13,591,585.56x = 167,072,194,301,069.09
  5. Step 5: Solve for x
    x = 167,072,194,301,069.09/13,591,585.56
  6. Step 6: Final answer
    x = 12,292,325.54

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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.