Home / 31,722,149.76-47,583,270-7,787,621.76

Finding the Fourth Proportional to 31,722,149.76, 47,583,270 and 7,787,621.76

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Solution

The fourth proportional to 31,722,149.76, 47,583,270 and 7,787,621.76 is: 11,681,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,722,149.76 : 47,583,270 = 7,787,621.76 : x
  2. Step 2: Convert to fraction form
    31,722,149.76/47,583,270 = 7,787,621.76/x
  3. Step 3: Cross multiply
    31,722,149.76x = 47,583,270 × 7,787,621.76
  4. Step 4: Simplify right side
    31,722,149.76x = 370,560,508,863,955.19
  5. Step 5: Solve for x
    x = 370,560,508,863,955.19/31,722,149.76
  6. Step 6: Final answer
    x = 11,681,443.78

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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.