Home / 18,145,953.80-27,231,372.30-8,055,816.20

Finding the Fourth Proportional to 18,145,953.80, 27,231,372.30 and 8,055,816.20

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Solution

The fourth proportional to 18,145,953.80, 27,231,372.30 and 8,055,816.20 is: 12,089,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,953.80 : 27,231,372.30 = 8,055,816.20 : x
  2. Step 2: Convert to fraction form
    18,145,953.80/27,231,372.30 = 8,055,816.20/x
  3. Step 3: Cross multiply
    18,145,953.80x = 27,231,372.30 × 8,055,816.20
  4. Step 4: Simplify right side
    18,145,953.80x = 219,370,930,122,571.28
  5. Step 5: Solve for x
    x = 219,370,930,122,571.28/18,145,953.80
  6. Step 6: Final answer
    x = 12,089,247.69

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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.