Home / 8,121,179.25-11,206,159.79-4,856,801.49

Finding the Fourth Proportional to 8,121,179.25, 11,206,159.79 and 4,856,801.49

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Solution

The fourth proportional to 8,121,179.25, 11,206,159.79 and 4,856,801.49 is: 6,701,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,179.25 : 11,206,159.79 = 4,856,801.49 : x
  2. Step 2: Convert to fraction form
    8,121,179.25/11,206,159.79 = 4,856,801.49/x
  3. Step 3: Cross multiply
    8,121,179.25x = 11,206,159.79 × 4,856,801.49
  4. Step 4: Simplify right side
    8,121,179.25x = 54,426,093,540,966.09
  5. Step 5: Solve for x
    x = 54,426,093,540,966.09/8,121,179.25
  6. Step 6: Final answer
    x = 6,701,747.60

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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.