Home / 13,361,421.70-20,042,132.55-11,448,234.10

Finding the Fourth Proportional to 13,361,421.70, 20,042,132.55 and 11,448,234.10

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Solution

The fourth proportional to 13,361,421.70, 20,042,132.55 and 11,448,234.10 is: 17,172,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,421.70 : 20,042,132.55 = 11,448,234.10 : x
  2. Step 2: Convert to fraction form
    13,361,421.70/20,042,132.55 = 11,448,234.10/x
  3. Step 3: Cross multiply
    13,361,421.70x = 20,042,132.55 × 11,448,234.10
  4. Step 4: Simplify right side
    13,361,421.70x = 229,447,025,295,629.97
  5. Step 5: Solve for x
    x = 229,447,025,295,629.97/13,361,421.70
  6. Step 6: Final answer
    x = 17,172,351.15

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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.