Home / 22,150,421.20-33,159,276.60-13,170,350.80

Finding the Fourth Proportional to 22,150,421.20, 33,159,276.60 and 13,170,350.80

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Solution

The fourth proportional to 22,150,421.20, 33,159,276.60 and 13,170,350.80 is: 19,716,072.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,150,421.20 : 33,159,276.60 = 13,170,350.80 : x
  2. Step 2: Convert to fraction form
    22,150,421.20/33,159,276.60 = 13,170,350.80/x
  3. Step 3: Cross multiply
    22,150,421.20x = 33,159,276.60 × 13,170,350.80
  4. Step 4: Simplify right side
    22,150,421.20x = 436,719,305,096,231.31
  5. Step 5: Solve for x
    x = 436,719,305,096,231.31/22,150,421.20
  6. Step 6: Final answer
    x = 19,716,072.27

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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.