Home / 12,729,360.33-17,565,997.95-7,222,616.64

Finding the Fourth Proportional to 12,729,360.33, 17,565,997.95 and 7,222,616.64

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Solution

The fourth proportional to 12,729,360.33, 17,565,997.95 and 7,222,616.64 is: 9,966,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,360.33 : 17,565,997.95 = 7,222,616.64 : x
  2. Step 2: Convert to fraction form
    12,729,360.33/17,565,997.95 = 7,222,616.64/x
  3. Step 3: Cross multiply
    12,729,360.33x = 17,565,997.95 × 7,222,616.64
  4. Step 4: Simplify right side
    12,729,360.33x = 126,872,469,091,875.88
  5. Step 5: Solve for x
    x = 126,872,469,091,875.88/12,729,360.33
  6. Step 6: Final answer
    x = 9,966,916.31

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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.