Home / 17,079,129.90-25,618,694.85-15,431,662.80

Finding the Fourth Proportional to 17,079,129.90, 25,618,694.85 and 15,431,662.80

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Solution

The fourth proportional to 17,079,129.90, 25,618,694.85 and 15,431,662.80 is: 23,147,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,079,129.90 : 25,618,694.85 = 15,431,662.80 : x
  2. Step 2: Convert to fraction form
    17,079,129.90/25,618,694.85 = 15,431,662.80/x
  3. Step 3: Cross multiply
    17,079,129.90x = 25,618,694.85 × 15,431,662.80
  4. Step 4: Simplify right side
    17,079,129.90x = 395,339,060,301,296.62
  5. Step 5: Solve for x
    x = 395,339,060,301,296.62/17,079,129.90
  6. Step 6: Final answer
    x = 23,147,494.20

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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.