Home / 13,115,172.28-18,098,902.56-7,313,960.56

Finding the Fourth Proportional to 13,115,172.28, 18,098,902.56 and 7,313,960.56

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Solution

The fourth proportional to 13,115,172.28, 18,098,902.56 and 7,313,960.56 is: 10,093,245.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,172.28 : 18,098,902.56 = 7,313,960.56 : x
  2. Step 2: Convert to fraction form
    13,115,172.28/18,098,902.56 = 7,313,960.56/x
  3. Step 3: Cross multiply
    13,115,172.28x = 18,098,902.56 × 7,313,960.56
  4. Step 4: Simplify right side
    13,115,172.28x = 132,374,659,503,123.02
  5. Step 5: Solve for x
    x = 132,374,659,503,123.02/13,115,172.28
  6. Step 6: Final answer
    x = 10,093,245.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.