Home / 12,951,982.28-17,873,379.78-7,150,658.60

Finding the Fourth Proportional to 12,951,982.28, 17,873,379.78 and 7,150,658.60

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Solution

The fourth proportional to 12,951,982.28, 17,873,379.78 and 7,150,658.60 is: 9,867,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951,982.28 : 17,873,379.78 = 7,150,658.60 : x
  2. Step 2: Convert to fraction form
    12,951,982.28/17,873,379.78 = 7,150,658.60/x
  3. Step 3: Cross multiply
    12,951,982.28x = 17,873,379.78 × 7,150,658.60
  4. Step 4: Simplify right side
    12,951,982.28x = 127,806,436,745,556.22
  5. Step 5: Solve for x
    x = 127,806,436,745,556.22/12,951,982.28
  6. Step 6: Final answer
    x = 9,867,712.45

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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.