Home / 10,949,786.72-16,429,481.46-5,196,675.46

Finding the Fourth Proportional to 10,949,786.72, 16,429,481.46 and 5,196,675.46

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Solution

The fourth proportional to 10,949,786.72, 16,429,481.46 and 5,196,675.46 is: 7,797,291.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949,786.72 : 16,429,481.46 = 5,196,675.46 : x
  2. Step 2: Convert to fraction form
    10,949,786.72/16,429,481.46 = 5,196,675.46/x
  3. Step 3: Cross multiply
    10,949,786.72x = 16,429,481.46 × 5,196,675.46
  4. Step 4: Simplify right side
    10,949,786.72x = 85,378,683,123,706.97
  5. Step 5: Solve for x
    x = 85,378,683,123,706.97/10,949,786.72
  6. Step 6: Final answer
    x = 7,797,291.88

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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.