Home / 13,752,844.80-20,629,267.20-8,005,408.80

Finding the Fourth Proportional to 13,752,844.80, 20,629,267.20 and 8,005,408.80

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Solution

The fourth proportional to 13,752,844.80, 20,629,267.20 and 8,005,408.80 is: 12,008,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752,844.80 : 20,629,267.20 = 8,005,408.80 : x
  2. Step 2: Convert to fraction form
    13,752,844.80/20,629,267.20 = 8,005,408.80/x
  3. Step 3: Cross multiply
    13,752,844.80x = 20,629,267.20 × 8,005,408.80
  4. Step 4: Simplify right side
    13,752,844.80x = 165,145,717,180,431.34
  5. Step 5: Solve for x
    x = 165,145,717,180,431.34/13,752,844.80
  6. Step 6: Final answer
    x = 12,008,113.20

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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.