Home / 18,149,021.53-27,236,101.77-7,218,089.04

Finding the Fourth Proportional to 18,149,021.53, 27,236,101.77 and 7,218,089.04

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Solution

The fourth proportional to 18,149,021.53, 27,236,101.77 and 7,218,089.04 is: 10,832,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149,021.53 : 27,236,101.77 = 7,218,089.04 : x
  2. Step 2: Convert to fraction form
    18,149,021.53/27,236,101.77 = 7,218,089.04/x
  3. Step 3: Cross multiply
    18,149,021.53x = 27,236,101.77 × 7,218,089.04
  4. Step 4: Simplify right side
    18,149,021.53x = 196,592,607,780,496.97
  5. Step 5: Solve for x
    x = 196,592,607,780,496.97/18,149,021.53
  6. Step 6: Final answer
    x = 10,832,132.60

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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.