Home / 12,270,257.97-16,949,128.82-9,167,388.54

Finding the Fourth Proportional to 12,270,257.97, 16,949,128.82 and 9,167,388.54

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Solution

The fourth proportional to 12,270,257.97, 16,949,128.82 and 9,167,388.54 is: 12,663,079.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270,257.97 : 16,949,128.82 = 9,167,388.54 : x
  2. Step 2: Convert to fraction form
    12,270,257.97/16,949,128.82 = 9,167,388.54/x
  3. Step 3: Cross multiply
    12,270,257.97x = 16,949,128.82 × 9,167,388.54
  4. Step 4: Simplify right side
    12,270,257.97x = 155,379,249,261,614.78
  5. Step 5: Solve for x
    x = 155,379,249,261,614.78/12,270,257.97
  6. Step 6: Final answer
    x = 12,663,079.26

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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.