Home / 22,603,067.28-31,203,772.56-15,299,498.16

Finding the Fourth Proportional to 22,603,067.28, 31,203,772.56 and 15,299,498.16

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Solution

The fourth proportional to 22,603,067.28, 31,203,772.56 and 15,299,498.16 is: 21,121,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,603,067.28 : 31,203,772.56 = 15,299,498.16 : x
  2. Step 2: Convert to fraction form
    22,603,067.28/31,203,772.56 = 15,299,498.16/x
  3. Step 3: Cross multiply
    22,603,067.28x = 31,203,772.56 × 15,299,498.16
  4. Step 4: Simplify right side
    22,603,067.28x = 477,402,060,866,778.50
  5. Step 5: Solve for x
    x = 477,402,060,866,778.50/22,603,067.28
  6. Step 6: Final answer
    x = 21,121,118.43

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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.