Home / 8,589,616.40-12,874,976.76-3,538,171.28

Finding the Fourth Proportional to 8,589,616.40, 12,874,976.76 and 3,538,171.28

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Solution

The fourth proportional to 8,589,616.40, 12,874,976.76 and 3,538,171.28 is: 5,303,365.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589,616.40 : 12,874,976.76 = 3,538,171.28 : x
  2. Step 2: Convert to fraction form
    8,589,616.40/12,874,976.76 = 3,538,171.28/x
  3. Step 3: Cross multiply
    8,589,616.40x = 12,874,976.76 × 3,538,171.28
  4. Step 4: Simplify right side
    8,589,616.40x = 45,553,873,002,899.45
  5. Step 5: Solve for x
    x = 45,553,873,002,899.45/8,589,616.40
  6. Step 6: Final answer
    x = 5,303,365.24

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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.