Home / 15,132,628.56-22,711,047.52-7,948,399.12

Finding the Fourth Proportional to 15,132,628.56, 22,711,047.52 and 7,948,399.12

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Solution

The fourth proportional to 15,132,628.56, 22,711,047.52 and 7,948,399.12 is: 11,928,956.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132,628.56 : 22,711,047.52 = 7,948,399.12 : x
  2. Step 2: Convert to fraction form
    15,132,628.56/22,711,047.52 = 7,948,399.12/x
  3. Step 3: Cross multiply
    15,132,628.56x = 22,711,047.52 × 7,948,399.12
  4. Step 4: Simplify right side
    15,132,628.56x = 180,516,470,122,246.19
  5. Step 5: Solve for x
    x = 180,516,470,122,246.19/15,132,628.56
  6. Step 6: Final answer
    x = 11,928,956.65

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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.