Home / 12,137,943.09-18,204,721.03-3,499,919.73

Finding the Fourth Proportional to 12,137,943.09, 18,204,721.03 and 3,499,919.73

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Solution

The fourth proportional to 12,137,943.09, 18,204,721.03 and 3,499,919.73 is: 5,249,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137,943.09 : 18,204,721.03 = 3,499,919.73 : x
  2. Step 2: Convert to fraction form
    12,137,943.09/18,204,721.03 = 3,499,919.73/x
  3. Step 3: Cross multiply
    12,137,943.09x = 18,204,721.03 × 3,499,919.73
  4. Step 4: Simplify right side
    12,137,943.09x = 63,715,062,203,519.71
  5. Step 5: Solve for x
    x = 63,715,062,203,519.71/12,137,943.09
  6. Step 6: Final answer
    x = 5,249,247.07

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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.