Home / 13,455,514.20-20,183,271.30-11,861,191.20

Finding the Fourth Proportional to 13,455,514.20, 20,183,271.30 and 11,861,191.20

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Solution

The fourth proportional to 13,455,514.20, 20,183,271.30 and 11,861,191.20 is: 17,791,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455,514.20 : 20,183,271.30 = 11,861,191.20 : x
  2. Step 2: Convert to fraction form
    13,455,514.20/20,183,271.30 = 11,861,191.20/x
  3. Step 3: Cross multiply
    13,455,514.20x = 20,183,271.30 × 11,861,191.20
  4. Step 4: Simplify right side
    13,455,514.20x = 239,397,639,930,772.56
  5. Step 5: Solve for x
    x = 239,397,639,930,772.56/13,455,514.20
  6. Step 6: Final answer
    x = 17,791,786.80

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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.