Home / 8,491,386.30-12,725,295.54-3,869,076.24

Finding the Fourth Proportional to 8,491,386.30, 12,725,295.54 and 3,869,076.24

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Solution

The fourth proportional to 8,491,386.30, 12,725,295.54 and 3,869,076.24 is: 5,798,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491,386.30 : 12,725,295.54 = 3,869,076.24 : x
  2. Step 2: Convert to fraction form
    8,491,386.30/12,725,295.54 = 3,869,076.24/x
  3. Step 3: Cross multiply
    8,491,386.30x = 12,725,295.54 × 3,869,076.24
  4. Step 4: Simplify right side
    8,491,386.30x = 49,235,138,620,791.97
  5. Step 5: Solve for x
    x = 49,235,138,620,791.97/8,491,386.30
  6. Step 6: Final answer
    x = 5,798,245.05

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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.