Home / 8,155,976.40-12,226,321.03-2,760,851.52

Finding the Fourth Proportional to 8,155,976.40, 12,226,321.03 and 2,760,851.52

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Solution

The fourth proportional to 8,155,976.40, 12,226,321.03 and 2,760,851.52 is: 4,138,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155,976.40 : 12,226,321.03 = 2,760,851.52 : x
  2. Step 2: Convert to fraction form
    8,155,976.40/12,226,321.03 = 2,760,851.52/x
  3. Step 3: Cross multiply
    8,155,976.40x = 12,226,321.03 × 2,760,851.52
  4. Step 4: Simplify right side
    8,155,976.40x = 33,755,056,999,683.46
  5. Step 5: Solve for x
    x = 33,755,056,999,683.46/8,155,976.40
  6. Step 6: Final answer
    x = 4,138,689.88

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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.