Home / 27,388,865.10-41,090,121.33-8,219,976.78

Finding the Fourth Proportional to 27,388,865.10, 41,090,121.33 and 8,219,976.78

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Solution

The fourth proportional to 27,388,865.10, 41,090,121.33 and 8,219,976.78 is: 12,332,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,388,865.10 : 41,090,121.33 = 8,219,976.78 : x
  2. Step 2: Convert to fraction form
    27,388,865.10/41,090,121.33 = 8,219,976.78/x
  3. Step 3: Cross multiply
    27,388,865.10x = 41,090,121.33 × 8,219,976.78
  4. Step 4: Simplify right side
    27,388,865.10x = 337,759,843,219,982.69
  5. Step 5: Solve for x
    x = 337,759,843,219,982.69/27,388,865.10
  6. Step 6: Final answer
    x = 12,332,013.10

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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.