Home / 8,517,806.20-11,759,878.38-5,422,076.92

Finding the Fourth Proportional to 8,517,806.20, 11,759,878.38 and 5,422,076.92

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Solution

The fourth proportional to 8,517,806.20, 11,759,878.38 and 5,422,076.92 is: 7,485,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,806.20 : 11,759,878.38 = 5,422,076.92 : x
  2. Step 2: Convert to fraction form
    8,517,806.20/11,759,878.38 = 5,422,076.92/x
  3. Step 3: Cross multiply
    8,517,806.20x = 11,759,878.38 × 5,422,076.92
  4. Step 4: Simplify right side
    8,517,806.20x = 63,762,965,146,204.99
  5. Step 5: Solve for x
    x = 63,762,965,146,204.99/8,517,806.20
  6. Step 6: Final answer
    x = 7,485,843.61

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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.