Home / 9,378,734.96-12,945,087.28-5,306,715.92

Finding the Fourth Proportional to 9,378,734.96, 12,945,087.28 and 5,306,715.92

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Solution

The fourth proportional to 9,378,734.96, 12,945,087.28 and 5,306,715.92 is: 7,324,644.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,734.96 : 12,945,087.28 = 5,306,715.92 : x
  2. Step 2: Convert to fraction form
    9,378,734.96/12,945,087.28 = 5,306,715.92/x
  3. Step 3: Cross multiply
    9,378,734.96x = 12,945,087.28 × 5,306,715.92
  4. Step 4: Simplify right side
    9,378,734.96x = 68,695,900,754,565.49
  5. Step 5: Solve for x
    x = 68,695,900,754,565.49/9,378,734.96
  6. Step 6: Final answer
    x = 7,324,644.64

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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.