Home / 13,512,367.35-20,268,393.77-5,425,200.89

Finding the Fourth Proportional to 13,512,367.35, 20,268,393.77 and 5,425,200.89

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Solution

The fourth proportional to 13,512,367.35, 20,268,393.77 and 5,425,200.89 is: 8,137,738.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512,367.35 : 20,268,393.77 = 5,425,200.89 : x
  2. Step 2: Convert to fraction form
    13,512,367.35/20,268,393.77 = 5,425,200.89/x
  3. Step 3: Cross multiply
    13,512,367.35x = 20,268,393.77 × 5,425,200.89
  4. Step 4: Simplify right side
    13,512,367.35x = 109,960,107,791,406.48
  5. Step 5: Solve for x
    x = 109,960,107,791,406.48/13,512,367.35
  6. Step 6: Final answer
    x = 8,137,738.19

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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.