Home / 20,251,530.88-27,947,112.61-11,084,173.63

Finding the Fourth Proportional to 20,251,530.88, 27,947,112.61 and 11,084,173.63

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Solution

The fourth proportional to 20,251,530.88, 27,947,112.61 and 11,084,173.63 is: 15,296,159.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251,530.88 : 27,947,112.61 = 11,084,173.63 : x
  2. Step 2: Convert to fraction form
    20,251,530.88/27,947,112.61 = 11,084,173.63/x
  3. Step 3: Cross multiply
    20,251,530.88x = 27,947,112.61 × 11,084,173.63
  4. Step 4: Simplify right side
    20,251,530.88x = 309,770,648,626,402.50
  5. Step 5: Solve for x
    x = 309,770,648,626,402.50/20,251,530.88
  6. Step 6: Final answer
    x = 15,296,159.61

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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.