Home / 15,214,854.62-20,996,455.83-8,339,315.42

Finding the Fourth Proportional to 15,214,854.62, 20,996,455.83 and 8,339,315.42

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Solution

The fourth proportional to 15,214,854.62, 20,996,455.83 and 8,339,315.42 is: 11,508,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214,854.62 : 20,996,455.83 = 8,339,315.42 : x
  2. Step 2: Convert to fraction form
    15,214,854.62/20,996,455.83 = 8,339,315.42/x
  3. Step 3: Cross multiply
    15,214,854.62x = 20,996,455.83 × 8,339,315.42
  4. Step 4: Simplify right side
    15,214,854.62x = 175,096,067,868,467.88
  5. Step 5: Solve for x
    x = 175,096,067,868,467.88/15,214,854.62
  6. Step 6: Final answer
    x = 11,508,231.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.