Home / 18,189,948.70-27,284,923.05-8,624,010.70

Finding the Fourth Proportional to 18,189,948.70, 27,284,923.05 and 8,624,010.70

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Solution

The fourth proportional to 18,189,948.70, 27,284,923.05 and 8,624,010.70 is: 12,936,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189,948.70 : 27,284,923.05 = 8,624,010.70 : x
  2. Step 2: Convert to fraction form
    18,189,948.70/27,284,923.05 = 8,624,010.70/x
  3. Step 3: Cross multiply
    18,189,948.70x = 27,284,923.05 × 8,624,010.70
  4. Step 4: Simplify right side
    18,189,948.70x = 235,305,468,331,876.62
  5. Step 5: Solve for x
    x = 235,305,468,331,876.62/18,189,948.70
  6. Step 6: Final answer
    x = 12,936,016.05

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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.