Home / 20,251,529.88-27,947,111.23-11,084,172.63

Finding the Fourth Proportional to 20,251,529.88, 27,947,111.23 and 11,084,172.63

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Solution

The fourth proportional to 20,251,529.88, 27,947,111.23 and 11,084,172.63 is: 15,296,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251,529.88 : 27,947,111.23 = 11,084,172.63 : x
  2. Step 2: Convert to fraction form
    20,251,529.88/27,947,111.23 = 11,084,172.63/x
  3. Step 3: Cross multiply
    20,251,529.88x = 27,947,111.23 × 11,084,172.63
  4. Step 4: Simplify right side
    20,251,529.88x = 309,770,605,383,131.69
  5. Step 5: Solve for x
    x = 309,770,605,383,131.69/20,251,529.88
  6. Step 6: Final answer
    x = 15,296,158.23

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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.