Home / 15,002,519.91-20,703,540.92-8,127,001.98

Finding the Fourth Proportional to 15,002,519.91, 20,703,540.92 and 8,127,001.98

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Solution

The fourth proportional to 15,002,519.91, 20,703,540.92 and 8,127,001.98 is: 11,215,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,002,519.91 : 20,703,540.92 = 8,127,001.98 : x
  2. Step 2: Convert to fraction form
    15,002,519.91/20,703,540.92 = 8,127,001.98/x
  3. Step 3: Cross multiply
    15,002,519.91x = 20,703,540.92 × 8,127,001.98
  4. Step 4: Simplify right side
    15,002,519.91x = 168,257,718,009,216
  5. Step 5: Solve for x
    x = 168,257,718,009,216/15,002,519.91
  6. Step 6: Final answer
    x = 11,215,297.10

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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.