Home / 27,887,786.24-38,486,079.57-15,498,401.85

Finding the Fourth Proportional to 27,887,786.24, 38,486,079.57 and 15,498,401.85

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Solution

The fourth proportional to 27,887,786.24, 38,486,079.57 and 15,498,401.85 is: 21,388,313.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887,786.24 : 38,486,079.57 = 15,498,401.85 : x
  2. Step 2: Convert to fraction form
    27,887,786.24/38,486,079.57 = 15,498,401.85/x
  3. Step 3: Cross multiply
    27,887,786.24x = 38,486,079.57 × 15,498,401.85
  4. Step 4: Simplify right side
    27,887,786.24x = 596,472,726,806,935.25
  5. Step 5: Solve for x
    x = 596,472,726,806,935.25/27,887,786.24
  6. Step 6: Final answer
    x = 21,388,313.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.