Home / 27,945,217.92-38,561,315.52-15,721,868.16

Finding the Fourth Proportional to 27,945,217.92, 38,561,315.52 and 15,721,868.16

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Solution

The fourth proportional to 27,945,217.92, 38,561,315.52 and 15,721,868.16 is: 21,694,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945,217.92 : 38,561,315.52 = 15,721,868.16 : x
  2. Step 2: Convert to fraction form
    27,945,217.92/38,561,315.52 = 15,721,868.16/x
  3. Step 3: Cross multiply
    27,945,217.92x = 38,561,315.52 × 15,721,868.16
  4. Step 4: Simplify right side
    27,945,217.92x = 606,255,918,681,601.88
  5. Step 5: Solve for x
    x = 606,255,918,681,601.88/27,945,217.92
  6. Step 6: Final answer
    x = 21,694,442.33

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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.