Home / 12,444,778.20-18,656,108.10-8,186,986.20

Finding the Fourth Proportional to 12,444,778.20, 18,656,108.10 and 8,186,986.20

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Solution

The fourth proportional to 12,444,778.20, 18,656,108.10 and 8,186,986.20 is: 12,273,203.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444,778.20 : 18,656,108.10 = 8,186,986.20 : x
  2. Step 2: Convert to fraction form
    12,444,778.20/18,656,108.10 = 8,186,986.20/x
  3. Step 3: Cross multiply
    12,444,778.20x = 18,656,108.10 × 8,186,986.20
  4. Step 4: Simplify right side
    12,444,778.20x = 152,737,299,560,408.25
  5. Step 5: Solve for x
    x = 152,737,299,560,408.25/12,444,778.20
  6. Step 6: Final answer
    x = 12,273,203.84

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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.