Home / 13,591,582.55-20,377,190.70-8,198,975.96

Finding the Fourth Proportional to 13,591,582.55, 20,377,190.70 and 8,198,975.96

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Solution

The fourth proportional to 13,591,582.55, 20,377,190.70 and 8,198,975.96 is: 12,292,321.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,582.55 : 20,377,190.70 = 8,198,975.96 : x
  2. Step 2: Convert to fraction form
    13,591,582.55/20,377,190.70 = 8,198,975.96/x
  3. Step 3: Cross multiply
    13,591,582.55x = 20,377,190.70 × 8,198,975.96
  4. Step 4: Simplify right side
    13,591,582.55x = 167,072,096,681,635.56
  5. Step 5: Solve for x
    x = 167,072,096,681,635.56/13,591,582.55
  6. Step 6: Final answer
    x = 12,292,321.08

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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.