Home / 13,857,754.70-20,763,012.45-11,826,469.10

Finding the Fourth Proportional to 13,857,754.70, 20,763,012.45 and 11,826,469.10

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Solution

The fourth proportional to 13,857,754.70, 20,763,012.45 and 11,826,469.10 is: 17,719,546.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857,754.70 : 20,763,012.45 = 11,826,469.10 : x
  2. Step 2: Convert to fraction form
    13,857,754.70/20,763,012.45 = 11,826,469.10/x
  3. Step 3: Cross multiply
    13,857,754.70x = 20,763,012.45 × 11,826,469.10
  4. Step 4: Simplify right side
    13,857,754.70x = 245,553,125,162,840.28
  5. Step 5: Solve for x
    x = 245,553,125,162,840.28/13,857,754.70
  6. Step 6: Final answer
    x = 17,719,546.24

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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.