Home / 20,008,796-27,610,855.92-11,188,974.56

Finding the Fourth Proportional to 20,008,796, 27,610,855.92 and 11,188,974.56

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Solution

The fourth proportional to 20,008,796, 27,610,855.92 and 11,188,974.56 is: 15,440,067.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008,796 : 27,610,855.92 = 11,188,974.56 : x
  2. Step 2: Convert to fraction form
    20,008,796/27,610,855.92 = 11,188,974.56/x
  3. Step 3: Cross multiply
    20,008,796x = 27,610,855.92 × 11,188,974.56
  4. Step 4: Simplify right side
    20,008,796x = 308,937,164,468,705.44
  5. Step 5: Solve for x
    x = 308,937,164,468,705.44/20,008,796
  6. Step 6: Final answer
    x = 15,440,067.68

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1.5x scale

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.