Home / 13,444,863.20-20,143,237.80-8,177,109.20

Finding the Fourth Proportional to 13,444,863.20, 20,143,237.80 and 8,177,109.20

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Solution

The fourth proportional to 13,444,863.20, 20,143,237.80 and 8,177,109.20 is: 12,251,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444,863.20 : 20,143,237.80 = 8,177,109.20 : x
  2. Step 2: Convert to fraction form
    13,444,863.20/20,143,237.80 = 8,177,109.20/x
  3. Step 3: Cross multiply
    13,444,863.20x = 20,143,237.80 × 8,177,109.20
  4. Step 4: Simplify right side
    13,444,863.20x = 164,713,455,132,167.78
  5. Step 5: Solve for x
    x = 164,713,455,132,167.78/13,444,863.20
  6. Step 6: Final answer
    x = 12,251,032.43

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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.