Home / 13,115,171.28-18,098,901.18-7,313,959.56

Finding the Fourth Proportional to 13,115,171.28, 18,098,901.18 and 7,313,959.56

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Solution

The fourth proportional to 13,115,171.28, 18,098,901.18 and 7,313,959.56 is: 10,093,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,171.28 : 18,098,901.18 = 7,313,959.56 : x
  2. Step 2: Convert to fraction form
    13,115,171.28/18,098,901.18 = 7,313,959.56/x
  3. Step 3: Cross multiply
    13,115,171.28x = 18,098,901.18 × 7,313,959.56
  4. Step 4: Simplify right side
    13,115,171.28x = 132,374,631,310,956.27
  5. Step 5: Solve for x
    x = 132,374,631,310,956.27/13,115,171.28
  6. Step 6: Final answer
    x = 10,093,244.57

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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.