Home / 8,469,976.78-11,687,619.15-4,798,106.95

Finding the Fourth Proportional to 8,469,976.78, 11,687,619.15 and 4,798,106.95

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Solution

The fourth proportional to 8,469,976.78, 11,687,619.15 and 4,798,106.95 is: 6,620,850.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469,976.78 : 11,687,619.15 = 4,798,106.95 : x
  2. Step 2: Convert to fraction form
    8,469,976.78/11,687,619.15 = 4,798,106.95/x
  3. Step 3: Cross multiply
    8,469,976.78x = 11,687,619.15 × 4,798,106.95
  4. Step 4: Simplify right side
    8,469,976.78x = 56,078,446,672,568.09
  5. Step 5: Solve for x
    x = 56,078,446,672,568.09/8,469,976.78
  6. Step 6: Final answer
    x = 6,620,850.11

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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.