Home / 20,212,169.76-27,892,867.59-11,044,813.32

Finding the Fourth Proportional to 20,212,169.76, 27,892,867.59 and 11,044,813.32

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Solution

The fourth proportional to 20,212,169.76, 27,892,867.59 and 11,044,813.32 is: 15,241,882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212,169.76 : 27,892,867.59 = 11,044,813.32 : x
  2. Step 2: Convert to fraction form
    20,212,169.76/27,892,867.59 = 11,044,813.32/x
  3. Step 3: Cross multiply
    20,212,169.76x = 27,892,867.59 × 11,044,813.32
  4. Step 4: Simplify right side
    20,212,169.76x = 308,071,515,491,028.31
  5. Step 5: Solve for x
    x = 308,071,515,491,028.31/20,212,169.76
  6. Step 6: Final answer
    x = 15,241,882.45

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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.