Home / 18,419,469.59-27,623,225.75-6,120,129.89

Finding the Fourth Proportional to 18,419,469.59, 27,623,225.75 and 6,120,129.89

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Solution

The fourth proportional to 18,419,469.59, 27,623,225.75 and 6,120,129.89 is: 9,178,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,419,469.59 : 27,623,225.75 = 6,120,129.89 : x
  2. Step 2: Convert to fraction form
    18,419,469.59/27,623,225.75 = 6,120,129.89/x
  3. Step 3: Cross multiply
    18,419,469.59x = 27,623,225.75 × 6,120,129.89
  4. Step 4: Simplify right side
    18,419,469.59x = 169,057,729,609,250.09
  5. Step 5: Solve for x
    x = 169,057,729,609,250.09/18,419,469.59
  6. Step 6: Final answer
    x = 9,178,208.35

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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.