Home / 13,591,580.11-20,377,187.04-8,198,973.52

Finding the Fourth Proportional to 13,591,580.11, 20,377,187.04 and 8,198,973.52

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Solution

The fourth proportional to 13,591,580.11, 20,377,187.04 and 8,198,973.52 is: 12,292,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,580.11 : 20,377,187.04 = 8,198,973.52 : x
  2. Step 2: Convert to fraction form
    13,591,580.11/20,377,187.04 = 8,198,973.52/x
  3. Step 3: Cross multiply
    13,591,580.11x = 20,377,187.04 × 8,198,973.52
  4. Step 4: Simplify right side
    13,591,580.11x = 167,072,016,932,850.34
  5. Step 5: Solve for x
    x = 167,072,016,932,850.34/13,591,580.11
  6. Step 6: Final answer
    x = 12,292,317.42

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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.