Home / 27,887,833.30-38,486,144.49-15,498,448.96

Finding the Fourth Proportional to 27,887,833.30, 38,486,144.49 and 15,498,448.96

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Solution

The fourth proportional to 27,887,833.30, 38,486,144.49 and 15,498,448.96 is: 21,388,378.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887,833.30 : 38,486,144.49 = 15,498,448.96 : x
  2. Step 2: Convert to fraction form
    27,887,833.30/38,486,144.49 = 15,498,448.96/x
  3. Step 3: Cross multiply
    27,887,833.30x = 38,486,144.49 × 15,498,448.96
  4. Step 4: Simplify right side
    27,887,833.30x = 596,475,546,045,450.25
  5. Step 5: Solve for x
    x = 596,475,546,045,450.25/27,887,833.30
  6. Step 6: Final answer
    x = 21,388,378.93

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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.