Home / 12,481,273.35-18,721,910.03-8,226,246.15

Finding the Fourth Proportional to 12,481,273.35, 18,721,910.03 and 8,226,246.15

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Solution

The fourth proportional to 12,481,273.35, 18,721,910.03 and 8,226,246.15 is: 12,339,369.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,273.35 : 18,721,910.03 = 8,226,246.15 : x
  2. Step 2: Convert to fraction form
    12,481,273.35/18,721,910.03 = 8,226,246.15/x
  3. Step 3: Cross multiply
    12,481,273.35x = 18,721,910.03 × 8,226,246.15
  4. Step 4: Simplify right side
    12,481,273.35x = 154,011,040,263,802.66
  5. Step 5: Solve for x
    x = 154,011,040,263,802.66/12,481,273.35
  6. Step 6: Final answer
    x = 12,339,369.23

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Double scale
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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.