Home / 12,664,986.85-17,486,261.39-8,022,891.33

Finding the Fourth Proportional to 12,664,986.85, 17,486,261.39 and 8,022,891.33

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Solution

The fourth proportional to 12,664,986.85, 17,486,261.39 and 8,022,891.33 is: 11,077,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664,986.85 : 17,486,261.39 = 8,022,891.33 : x
  2. Step 2: Convert to fraction form
    12,664,986.85/17,486,261.39 = 8,022,891.33/x
  3. Step 3: Cross multiply
    12,664,986.85x = 17,486,261.39 × 8,022,891.33
  4. Step 4: Simplify right side
    12,664,986.85x = 140,290,374,772,399
  5. Step 5: Solve for x
    x = 140,290,374,772,399/12,664,986.85
  6. Step 6: Final answer
    x = 11,077,024.91

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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.