Home / 18,445,398.80-27,669,107.28-7,663,789.76

Finding the Fourth Proportional to 18,445,398.80, 27,669,107.28 and 7,663,789.76

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Solution

The fourth proportional to 18,445,398.80, 27,669,107.28 and 7,663,789.76 is: 11,496,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445,398.80 : 27,669,107.28 = 7,663,789.76 : x
  2. Step 2: Convert to fraction form
    18,445,398.80/27,669,107.28 = 7,663,789.76/x
  3. Step 3: Cross multiply
    18,445,398.80x = 27,669,107.28 × 7,663,789.76
  4. Step 4: Simplify right side
    18,445,398.80x = 212,050,221,040,805.47
  5. Step 5: Solve for x
    x = 212,050,221,040,805.47/18,445,398.80
  6. Step 6: Final answer
    x = 11,496,103.90

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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.