Home / 19,491,203.52-29,265,546.78-10,872,143.91

Finding the Fourth Proportional to 19,491,203.52, 29,265,546.78 and 10,872,143.91

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Solution

The fourth proportional to 19,491,203.52, 29,265,546.78 and 10,872,143.91 is: 16,324,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491,203.52 : 29,265,546.78 = 10,872,143.91 : x
  2. Step 2: Convert to fraction form
    19,491,203.52/29,265,546.78 = 10,872,143.91/x
  3. Step 3: Cross multiply
    19,491,203.52x = 29,265,546.78 × 10,872,143.91
  4. Step 4: Simplify right side
    19,491,203.52x = 318,179,236,196,997.12
  5. Step 5: Solve for x
    x = 318,179,236,196,997.12/19,491,203.52
  6. Step 6: Final answer
    x = 16,324,247.80

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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.