Home / 12,422,023.88-17,149,121.70-8,712,247.64

Finding the Fourth Proportional to 12,422,023.88, 17,149,121.70 and 8,712,247.64

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Solution

The fourth proportional to 12,422,023.88, 17,149,121.70 and 8,712,247.64 is: 12,027,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422,023.88 : 17,149,121.70 = 8,712,247.64 : x
  2. Step 2: Convert to fraction form
    12,422,023.88/17,149,121.70 = 8,712,247.64/x
  3. Step 3: Cross multiply
    12,422,023.88x = 17,149,121.70 × 8,712,247.64
  4. Step 4: Simplify right side
    12,422,023.88x = 149,407,395,058,897.78
  5. Step 5: Solve for x
    x = 149,407,395,058,897.78/12,422,023.88
  6. Step 6: Final answer
    x = 12,027,620.98

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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.