Home / 18,381,399.41-25,366,518.90-10,122,229.73

Finding the Fourth Proportional to 18,381,399.41, 25,366,518.90 and 10,122,229.73

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Solution

The fourth proportional to 18,381,399.41, 25,366,518.90 and 10,122,229.73 is: 13,968,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381,399.41 : 25,366,518.90 = 10,122,229.73 : x
  2. Step 2: Convert to fraction form
    18,381,399.41/25,366,518.90 = 10,122,229.73/x
  3. Step 3: Cross multiply
    18,381,399.41x = 25,366,518.90 × 10,122,229.73
  4. Step 4: Simplify right side
    18,381,399.41x = 256,765,731,629,354.28
  5. Step 5: Solve for x
    x = 256,765,731,629,354.28/18,381,399.41
  6. Step 6: Final answer
    x = 13,968,780.39

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1.5x scale

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.