Home / 8,149,201.78-12,216,205.23-2,754,079.78

Finding the Fourth Proportional to 8,149,201.78, 12,216,205.23 and 2,754,079.78

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Solution

The fourth proportional to 8,149,201.78, 12,216,205.23 and 2,754,079.78 is: 4,128,552.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149,201.78 : 12,216,205.23 = 2,754,079.78 : x
  2. Step 2: Convert to fraction form
    8,149,201.78/12,216,205.23 = 2,754,079.78/x
  3. Step 3: Cross multiply
    8,149,201.78x = 12,216,205.23 × 2,754,079.78
  4. Step 4: Simplify right side
    8,149,201.78x = 33,644,403,812,273.25
  5. Step 5: Solve for x
    x = 33,644,403,812,273.25/8,149,201.78
  6. Step 6: Final answer
    x = 4,128,552.06

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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.