Home / 13,188,377.04-18,206,193.78-8,840,303.88

Finding the Fourth Proportional to 13,188,377.04, 18,206,193.78 and 8,840,303.88

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Solution

The fourth proportional to 13,188,377.04, 18,206,193.78 and 8,840,303.88 is: 12,203,797.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,377.04 : 18,206,193.78 = 8,840,303.88 : x
  2. Step 2: Convert to fraction form
    13,188,377.04/18,206,193.78 = 8,840,303.88/x
  3. Step 3: Cross multiply
    13,188,377.04x = 18,206,193.78 × 8,840,303.88
  4. Step 4: Simplify right side
    13,188,377.04x = 160,948,285,513,365.91
  5. Step 5: Solve for x
    x = 160,948,285,513,365.91/13,188,377.04
  6. Step 6: Final answer
    x = 12,203,797.71

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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.