Home / 13,591,579.55-20,377,186.20-8,198,972.96

Finding the Fourth Proportional to 13,591,579.55, 20,377,186.20 and 8,198,972.96

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Solution

The fourth proportional to 13,591,579.55, 20,377,186.20 and 8,198,972.96 is: 12,292,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,579.55 : 20,377,186.20 = 8,198,972.96 : x
  2. Step 2: Convert to fraction form
    13,591,579.55/20,377,186.20 = 8,198,972.96/x
  3. Step 3: Cross multiply
    13,591,579.55x = 20,377,186.20 × 8,198,972.96
  4. Step 4: Simplify right side
    13,591,579.55x = 167,071,998,552,799.22
  5. Step 5: Solve for x
    x = 167,071,998,552,799.22/13,591,579.55
  6. Step 6: Final answer
    x = 12,292,316.58

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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.