Home / 13,188,002.30-19,782,003.45-8,086,168.70

Finding the Fourth Proportional to 13,188,002.30, 19,782,003.45 and 8,086,168.70

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Solution

The fourth proportional to 13,188,002.30, 19,782,003.45 and 8,086,168.70 is: 12,129,253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,002.30 : 19,782,003.45 = 8,086,168.70 : x
  2. Step 2: Convert to fraction form
    13,188,002.30/19,782,003.45 = 8,086,168.70/x
  3. Step 3: Cross multiply
    13,188,002.30x = 19,782,003.45 × 8,086,168.70
  4. Step 4: Simplify right side
    13,188,002.30x = 159,960,617,120,682
  5. Step 5: Solve for x
    x = 159,960,617,120,682/13,188,002.30
  6. Step 6: Final answer
    x = 12,129,253.05

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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.