Home / 15,062,786.82-20,786,674.68-8,187,252.48

Finding the Fourth Proportional to 15,062,786.82, 20,786,674.68 and 8,187,252.48

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Solution

The fourth proportional to 15,062,786.82, 20,786,674.68 and 8,187,252.48 is: 11,298,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,062,786.82 : 20,786,674.68 = 8,187,252.48 : x
  2. Step 2: Convert to fraction form
    15,062,786.82/20,786,674.68 = 8,187,252.48/x
  3. Step 3: Cross multiply
    15,062,786.82x = 20,786,674.68 × 8,187,252.48
  4. Step 4: Simplify right side
    15,062,786.82x = 170,185,753,824,783.22
  5. Step 5: Solve for x
    x = 170,185,753,824,783.22/15,062,786.82
  6. Step 6: Final answer
    x = 11,298,424.11

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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.