Home / 15,215,007.46-20,998,963.82-9,633,772.72

Finding the Fourth Proportional to 15,215,007.46, 20,998,963.82 and 9,633,772.72

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Solution

The fourth proportional to 15,215,007.46, 20,998,963.82 and 9,633,772.72 is: 13,296,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,215,007.46 : 20,998,963.82 = 9,633,772.72 : x
  2. Step 2: Convert to fraction form
    15,215,007.46/20,998,963.82 = 9,633,772.72/x
  3. Step 3: Cross multiply
    15,215,007.46x = 20,998,963.82 × 9,633,772.72
  4. Step 4: Simplify right side
    15,215,007.46x = 202,299,244,797,383
  5. Step 5: Solve for x
    x = 202,299,244,797,383/15,215,007.46
  6. Step 6: Final answer
    x = 13,296,033.23

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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.