Home / 20,188,839.34-27,860,456.56-11,021,482.09

Finding the Fourth Proportional to 20,188,839.34, 27,860,456.56 and 11,021,482.09

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Solution

The fourth proportional to 20,188,839.34, 27,860,456.56 and 11,021,482.09 is: 15,209,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,839.34 : 27,860,456.56 = 11,021,482.09 : x
  2. Step 2: Convert to fraction form
    20,188,839.34/27,860,456.56 = 11,021,482.09/x
  3. Step 3: Cross multiply
    20,188,839.34x = 27,860,456.56 × 11,021,482.09
  4. Step 4: Simplify right side
    20,188,839.34x = 307,063,523,043,865.44
  5. Step 5: Solve for x
    x = 307,063,523,043,865.44/20,188,839.34
  6. Step 6: Final answer
    x = 15,209,567.91

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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.