Home / 6,628,942.92-9,945,843.33-2,791,731.30

Finding the Fourth Proportional to 6,628,942.92, 9,945,843.33 and 2,791,731.30

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Solution

The fourth proportional to 6,628,942.92, 9,945,843.33 and 2,791,731.30 is: 4,188,619.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628,942.92 : 9,945,843.33 = 2,791,731.30 : x
  2. Step 2: Convert to fraction form
    6,628,942.92/9,945,843.33 = 2,791,731.30/x
  3. Step 3: Cross multiply
    6,628,942.92x = 9,945,843.33 × 2,791,731.30
  4. Step 4: Simplify right side
    6,628,942.92x = 27,766,122,129,257.23
  5. Step 5: Solve for x
    x = 27,766,122,129,257.23/6,628,942.92
  6. Step 6: Final answer
    x = 4,188,619.88

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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.