Home / 27,798,512.16-38,361,921.12-15,575,456.64

Finding the Fourth Proportional to 27,798,512.16, 38,361,921.12 and 15,575,456.64

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Solution

The fourth proportional to 27,798,512.16, 38,361,921.12 and 15,575,456.64 is: 21,494,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,798,512.16 : 38,361,921.12 = 15,575,456.64 : x
  2. Step 2: Convert to fraction form
    27,798,512.16/38,361,921.12 = 15,575,456.64/x
  3. Step 3: Cross multiply
    27,798,512.16x = 38,361,921.12 × 15,575,456.64
  4. Step 4: Simplify right side
    27,798,512.16x = 597,504,439,031,660.25
  5. Step 5: Solve for x
    x = 597,504,439,031,660.25/27,798,512.16
  6. Step 6: Final answer
    x = 21,494,115.79

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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.