Home / 11,917,131.20-17,854,701.60-9,775,620.80

Finding the Fourth Proportional to 11,917,131.20, 17,854,701.60 and 9,775,620.80

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Solution

The fourth proportional to 11,917,131.20, 17,854,701.60 and 9,775,620.80 is: 14,646,208.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917,131.20 : 17,854,701.60 = 9,775,620.80 : x
  2. Step 2: Convert to fraction form
    11,917,131.20/17,854,701.60 = 9,775,620.80/x
  3. Step 3: Cross multiply
    11,917,131.20x = 17,854,701.60 × 9,775,620.80
  4. Step 4: Simplify right side
    11,917,131.20x = 174,540,792,338,753.31
  5. Step 5: Solve for x
    x = 174,540,792,338,753.31/11,917,131.20
  6. Step 6: Final answer
    x = 14,646,208.84

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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.