Home / 23,101,976.94-31,882,498.86-13,179,078.06

Finding the Fourth Proportional to 23,101,976.94, 31,882,498.86 and 13,179,078.06

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Solution

The fourth proportional to 23,101,976.94, 31,882,498.86 and 13,179,078.06 is: 18,188,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,101,976.94 : 31,882,498.86 = 13,179,078.06 : x
  2. Step 2: Convert to fraction form
    23,101,976.94/31,882,498.86 = 13,179,078.06/x
  3. Step 3: Cross multiply
    23,101,976.94x = 31,882,498.86 × 13,179,078.06
  4. Step 4: Simplify right side
    23,101,976.94x = 420,181,941,223,801
  5. Step 5: Solve for x
    x = 420,181,941,223,801/23,101,976.94
  6. Step 6: Final answer
    x = 18,188,137.85

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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.