Home / 12,627,327.13-18,941,666.85-3,990,770.58

Finding the Fourth Proportional to 12,627,327.13, 18,941,666.85 and 3,990,770.58

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Solution

The fourth proportional to 12,627,327.13, 18,941,666.85 and 3,990,770.58 is: 5,986,369.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627,327.13 : 18,941,666.85 = 3,990,770.58 : x
  2. Step 2: Convert to fraction form
    12,627,327.13/18,941,666.85 = 3,990,770.58/x
  3. Step 3: Cross multiply
    12,627,327.13x = 18,941,666.85 × 3,990,770.58
  4. Step 4: Simplify right side
    12,627,327.13x = 75,591,846,801,141.28
  5. Step 5: Solve for x
    x = 75,591,846,801,141.28/12,627,327.13
  6. Step 6: Final answer
    x = 5,986,369.56

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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.