Home / 11,917,178.20-17,854,772.10-9,775,667.80

Finding the Fourth Proportional to 11,917,178.20, 17,854,772.10 and 9,775,667.80

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Solution

The fourth proportional to 11,917,178.20, 17,854,772.10 and 9,775,667.80 is: 14,646,279.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917,178.20 : 17,854,772.10 = 9,775,667.80 : x
  2. Step 2: Convert to fraction form
    11,917,178.20/17,854,772.10 = 9,775,667.80/x
  3. Step 3: Cross multiply
    11,917,178.20x = 17,854,772.10 × 9,775,667.80
  4. Step 4: Simplify right side
    11,917,178.20x = 174,542,320,694,308.41
  5. Step 5: Solve for x
    x = 174,542,320,694,308.41/11,917,178.20
  6. Step 6: Final answer
    x = 14,646,279.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.