Home / 13,469,121.60-18,587,786.40-7,357,650.24

Finding the Fourth Proportional to 13,469,121.60, 18,587,786.40 and 7,357,650.24

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Solution

The fourth proportional to 13,469,121.60, 18,587,786.40 and 7,357,650.24 is: 10,153,775.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469,121.60 : 18,587,786.40 = 7,357,650.24 : x
  2. Step 2: Convert to fraction form
    13,469,121.60/18,587,786.40 = 7,357,650.24/x
  3. Step 3: Cross multiply
    13,469,121.60x = 18,587,786.40 × 7,357,650.24
  4. Step 4: Simplify right side
    13,469,121.60x = 136,762,431,067,028.73
  5. Step 5: Solve for x
    x = 136,762,431,067,028.73/13,469,121.60
  6. Step 6: Final answer
    x = 10,153,775.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.