Home / 15,105,005.82-20,844,910.26-8,229,487.95

Finding the Fourth Proportional to 15,105,005.82, 20,844,910.26 and 8,229,487.95

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Solution

The fourth proportional to 15,105,005.82, 20,844,910.26 and 8,229,487.95 is: 11,356,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105,005.82 : 20,844,910.26 = 8,229,487.95 : x
  2. Step 2: Convert to fraction form
    15,105,005.82/20,844,910.26 = 8,229,487.95/x
  3. Step 3: Cross multiply
    15,105,005.82x = 20,844,910.26 × 8,229,487.95
  4. Step 4: Simplify right side
    15,105,005.82x = 171,542,937,803,501.38
  5. Step 5: Solve for x
    x = 171,542,937,803,501.38/15,105,005.82
  6. Step 6: Final answer
    x = 11,356,694.59

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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.