Home / 11,521,991.20-17,282,986.80-3,949,031.20

Finding the Fourth Proportional to 11,521,991.20, 17,282,986.80 and 3,949,031.20

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Solution

The fourth proportional to 11,521,991.20, 17,282,986.80 and 3,949,031.20 is: 5,923,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521,991.20 : 17,282,986.80 = 3,949,031.20 : x
  2. Step 2: Convert to fraction form
    11,521,991.20/17,282,986.80 = 3,949,031.20/x
  3. Step 3: Cross multiply
    11,521,991.20x = 17,282,986.80 × 3,949,031.20
  4. Step 4: Simplify right side
    11,521,991.20x = 68,251,054,102,388.16
  5. Step 5: Solve for x
    x = 68,251,054,102,388.16/11,521,991.20
  6. Step 6: Final answer
    x = 5,923,546.80

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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.