Home / 12,866,180.92-19,251,033.42-7,659,746.78

Finding the Fourth Proportional to 12,866,180.92, 19,251,033.42 and 7,659,746.78

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Solution

The fourth proportional to 12,866,180.92, 19,251,033.42 and 7,659,746.78 is: 11,460,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866,180.92 : 19,251,033.42 = 7,659,746.78 : x
  2. Step 2: Convert to fraction form
    12,866,180.92/19,251,033.42 = 7,659,746.78/x
  3. Step 3: Cross multiply
    12,866,180.92x = 19,251,033.42 × 7,659,746.78
  4. Step 4: Simplify right side
    12,866,180.92x = 147,458,041,250,517.41
  5. Step 5: Solve for x
    x = 147,458,041,250,517.41/12,866,180.92
  6. Step 6: Final answer
    x = 11,460,902.20

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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.