Home / 17,031,156.93-25,546,494.78-7,928,163.09

Finding the Fourth Proportional to 17,031,156.93, 25,546,494.78 and 7,928,163.09

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Solution

The fourth proportional to 17,031,156.93, 25,546,494.78 and 7,928,163.09 is: 11,892,132.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,031,156.93 : 25,546,494.78 = 7,928,163.09 : x
  2. Step 2: Convert to fraction form
    17,031,156.93/25,546,494.78 = 7,928,163.09/x
  3. Step 3: Cross multiply
    17,031,156.93x = 25,546,494.78 × 7,928,163.09
  4. Step 4: Simplify right side
    17,031,156.93x = 202,536,776,993,673.69
  5. Step 5: Solve for x
    x = 202,536,776,993,673.69/17,031,156.93
  6. Step 6: Final answer
    x = 11,892,132.63

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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.