Home / 12,906,057.38-19,358,954.83-3,321,398.66

Finding the Fourth Proportional to 12,906,057.38, 19,358,954.83 and 3,321,398.66

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Solution

The fourth proportional to 12,906,057.38, 19,358,954.83 and 3,321,398.66 is: 4,982,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906,057.38 : 19,358,954.83 = 3,321,398.66 : x
  2. Step 2: Convert to fraction form
    12,906,057.38/19,358,954.83 = 3,321,398.66/x
  3. Step 3: Cross multiply
    12,906,057.38x = 19,358,954.83 × 3,321,398.66
  4. Step 4: Simplify right side
    12,906,057.38x = 64,298,806,538,719.50
  5. Step 5: Solve for x
    x = 64,298,806,538,719.50/12,906,057.38
  6. Step 6: Final answer
    x = 4,982,064.21

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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.