Home / 15,356,694.35-21,192,108.28-8,481,028.79

Finding the Fourth Proportional to 15,356,694.35, 21,192,108.28 and 8,481,028.79

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Solution

The fourth proportional to 15,356,694.35, 21,192,108.28 and 8,481,028.79 is: 11,703,747.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,356,694.35 : 21,192,108.28 = 8,481,028.79 : x
  2. Step 2: Convert to fraction form
    15,356,694.35/21,192,108.28 = 8,481,028.79/x
  3. Step 3: Cross multiply
    15,356,694.35x = 21,192,108.28 × 8,481,028.79
  4. Step 4: Simplify right side
    15,356,694.35x = 179,730,880,475,255.09
  5. Step 5: Solve for x
    x = 179,730,880,475,255.09/15,356,694.35
  6. Step 6: Final answer
    x = 11,703,747.98

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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.