Home / 11,992,521.72-17,990,043.24-3,906,127.49

Finding the Fourth Proportional to 11,992,521.72, 17,990,043.24 and 3,906,127.49

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Solution

The fourth proportional to 11,992,521.72, 17,990,043.24 and 3,906,127.49 is: 5,859,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992,521.72 : 17,990,043.24 = 3,906,127.49 : x
  2. Step 2: Convert to fraction form
    11,992,521.72/17,990,043.24 = 3,906,127.49/x
  3. Step 3: Cross multiply
    11,992,521.72x = 17,990,043.24 × 3,906,127.49
  4. Step 4: Simplify right side
    11,992,521.72x = 70,271,402,446,052.66
  5. Step 5: Solve for x
    x = 70,271,402,446,052.66/11,992,521.72
  6. Step 6: Final answer
    x = 5,859,601.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.