Home / 13,591,597.56-20,377,213.20-8,198,990.94

Finding the Fourth Proportional to 13,591,597.56, 20,377,213.20 and 8,198,990.94

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Solution

The fourth proportional to 13,591,597.56, 20,377,213.20 and 8,198,990.94 is: 12,292,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,597.56 : 20,377,213.20 = 8,198,990.94 : x
  2. Step 2: Convert to fraction form
    13,591,597.56/20,377,213.20 = 8,198,990.94/x
  3. Step 3: Cross multiply
    13,591,597.56x = 20,377,213.20 × 8,198,990.94
  4. Step 4: Simplify right side
    13,591,597.56x = 167,072,586,409,248.41
  5. Step 5: Solve for x
    x = 167,072,586,409,248.41/13,591,597.56
  6. Step 6: Final answer
    x = 12,292,343.54

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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.