Home / 20,188,839.31-27,860,456.52-11,021,482.06

Finding the Fourth Proportional to 20,188,839.31, 27,860,456.52 and 11,021,482.06

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Solution

The fourth proportional to 20,188,839.31, 27,860,456.52 and 11,021,482.06 is: 15,209,567.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,839.31 : 27,860,456.52 = 11,021,482.06 : x
  2. Step 2: Convert to fraction form
    20,188,839.31/27,860,456.52 = 11,021,482.06/x
  3. Step 3: Cross multiply
    20,188,839.31x = 27,860,456.52 × 11,021,482.06
  4. Step 4: Simplify right side
    20,188,839.31x = 307,063,521,718,590.06
  5. Step 5: Solve for x
    x = 307,063,521,718,590.06/20,188,839.31
  6. Step 6: Final answer
    x = 15,209,567.87

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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.