Home / 47,976,270.78-71,964,350.25-15,628,121.10

Finding the Fourth Proportional to 47,976,270.78, 71,964,350.25 and 15,628,121.10

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Solution

The fourth proportional to 47,976,270.78, 71,964,350.25 and 15,628,121.10 is: 23,442,163.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,976,270.78 : 71,964,350.25 = 15,628,121.10 : x
  2. Step 2: Convert to fraction form
    47,976,270.78/71,964,350.25 = 15,628,121.10/x
  3. Step 3: Cross multiply
    47,976,270.78x = 71,964,350.25 × 15,628,121.10
  4. Step 4: Simplify right side
    47,976,270.78x = 1,124,667,580,589,815.25
  5. Step 5: Solve for x
    x = 1,124,667,580,589,815.25/47,976,270.78
  6. Step 6: Final answer
    x = 23,442,163.43

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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.