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Finding the Fourth Proportional to 17,177,081.24, 25,765,629.42 and 8,072,497.64

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Solution

The fourth proportional to 17,177,081.24, 25,765,629.42 and 8,072,497.64 is: 12,108,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,177,081.24 : 25,765,629.42 = 8,072,497.64 : x
  2. Step 2: Convert to fraction form
    17,177,081.24/25,765,629.42 = 8,072,497.64/x
  3. Step 3: Cross multiply
    17,177,081.24x = 25,765,629.42 × 8,072,497.64
  4. Step 4: Simplify right side
    17,177,081.24x = 207,992,982,686,064.56
  5. Step 5: Solve for x
    x = 207,992,982,686,064.56/17,177,081.24
  6. Step 6: Final answer
    x = 12,108,750.01

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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.