Home / 27,852,138.70-38,435,049.39-15,629,199.82

Finding the Fourth Proportional to 27,852,138.70, 38,435,049.39 and 15,629,199.82

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Solution

The fourth proportional to 27,852,138.70, 38,435,049.39 and 15,629,199.82 is: 21,567,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,852,138.70 : 38,435,049.39 = 15,629,199.82 : x
  2. Step 2: Convert to fraction form
    27,852,138.70/38,435,049.39 = 15,629,199.82/x
  3. Step 3: Cross multiply
    27,852,138.70x = 38,435,049.39 × 15,629,199.82
  4. Step 4: Simplify right side
    27,852,138.70x = 600,709,067,007,879.12
  5. Step 5: Solve for x
    x = 600,709,067,007,879.12/27,852,138.70
  6. Step 6: Final answer
    x = 21,567,789.59

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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.