Home / 20,262,629.88-27,962,435.25-10,970,198.10

Finding the Fourth Proportional to 20,262,629.88, 27,962,435.25 and 10,970,198.10

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Solution

The fourth proportional to 20,262,629.88, 27,962,435.25 and 10,970,198.10 is: 15,138,876.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262,629.88 : 27,962,435.25 = 10,970,198.10 : x
  2. Step 2: Convert to fraction form
    20,262,629.88/27,962,435.25 = 10,970,198.10/x
  3. Step 3: Cross multiply
    20,262,629.88x = 27,962,435.25 × 10,970,198.10
  4. Step 4: Simplify right side
    20,262,629.88x = 306,753,454,050,923
  5. Step 5: Solve for x
    x = 306,753,454,050,923/20,262,629.88
  6. Step 6: Final answer
    x = 15,138,876.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.