Home / 19,338,502.68-29,011,058.82-7,972,738.20

Finding the Fourth Proportional to 19,338,502.68, 29,011,058.82 and 7,972,738.20

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Solution

The fourth proportional to 19,338,502.68, 29,011,058.82 and 7,972,738.20 is: 11,960,469.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338,502.68 : 29,011,058.82 = 7,972,738.20 : x
  2. Step 2: Convert to fraction form
    19,338,502.68/29,011,058.82 = 7,972,738.20/x
  3. Step 3: Cross multiply
    19,338,502.68x = 29,011,058.82 × 7,972,738.20
  4. Step 4: Simplify right side
    19,338,502.68x = 231,297,576,876,660.94
  5. Step 5: Solve for x
    x = 231,297,576,876,660.94/19,338,502.68
  6. Step 6: Final answer
    x = 11,960,469.78

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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.