Home / 20,188,843.56-27,860,462.38-11,021,486.32

Finding the Fourth Proportional to 20,188,843.56, 27,860,462.38 and 11,021,486.32

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Solution

The fourth proportional to 20,188,843.56, 27,860,462.38 and 11,021,486.32 is: 15,209,573.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,843.56 : 27,860,462.38 = 11,021,486.32 : x
  2. Step 2: Convert to fraction form
    20,188,843.56/27,860,462.38 = 11,021,486.32/x
  3. Step 3: Cross multiply
    20,188,843.56x = 27,860,462.38 × 11,021,486.32
  4. Step 4: Simplify right side
    20,188,843.56x = 307,063,704,990,044.62
  5. Step 5: Solve for x
    x = 307,063,704,990,044.62/20,188,843.56
  6. Step 6: Final answer
    x = 15,209,573.75

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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.