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Finding the Fourth Proportional to 6,803,255.72, 9,388,493.40 and 3,747,469.97

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Solution

The fourth proportional to 6,803,255.72, 9,388,493.40 and 3,747,469.97 is: 5,171,508.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,803,255.72 : 9,388,493.40 = 3,747,469.97 : x
  2. Step 2: Convert to fraction form
    6,803,255.72/9,388,493.40 = 3,747,469.97/x
  3. Step 3: Cross multiply
    6,803,255.72x = 9,388,493.40 × 3,747,469.97
  4. Step 4: Simplify right side
    6,803,255.72x = 35,183,097,033,100.73
  5. Step 5: Solve for x
    x = 35,183,097,033,100.73/6,803,255.72
  6. Step 6: Final answer
    x = 5,171,508.83

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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.