Home / 15,356,694.34-21,192,108.28-8,481,028.78

Finding the Fourth Proportional to 15,356,694.34, 21,192,108.28 and 8,481,028.78

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Solution

The fourth proportional to 15,356,694.34, 21,192,108.28 and 8,481,028.78 is: 11,703,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,356,694.34 : 21,192,108.28 = 8,481,028.78 : x
  2. Step 2: Convert to fraction form
    15,356,694.34/21,192,108.28 = 8,481,028.78/x
  3. Step 3: Cross multiply
    15,356,694.34x = 21,192,108.28 × 8,481,028.78
  4. Step 4: Simplify right side
    15,356,694.34x = 179,730,880,236,843.88
  5. Step 5: Solve for x
    x = 179,730,880,236,843.88/15,356,694.34
  6. Step 6: Final answer
    x = 11,703,747.97

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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.