Home / 18,440,761.57-25,424,593.52-15,120,824.29

Finding the Fourth Proportional to 18,440,761.57, 25,424,593.52 and 15,120,824.29

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Solution

The fourth proportional to 18,440,761.57, 25,424,593.52 and 15,120,824.29 is: 20,847,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,761.57 : 25,424,593.52 = 15,120,824.29 : x
  2. Step 2: Convert to fraction form
    18,440,761.57/25,424,593.52 = 15,120,824.29/x
  3. Step 3: Cross multiply
    18,440,761.57x = 25,424,593.52 × 15,120,824.29
  4. Step 4: Simplify right side
    18,440,761.57x = 384,440,811,121,427
  5. Step 5: Solve for x
    x = 384,440,811,121,427/18,440,761.57
  6. Step 6: Final answer
    x = 20,847,339.18

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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.