Home / 7,681,286.27-11,520,365.40-2,821,922.61

Finding the Fourth Proportional to 7,681,286.27, 11,520,365.40 and 2,821,922.61

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Solution

The fourth proportional to 7,681,286.27, 11,520,365.40 and 2,821,922.61 is: 4,232,309.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681,286.27 : 11,520,365.40 = 2,821,922.61 : x
  2. Step 2: Convert to fraction form
    7,681,286.27/11,520,365.40 = 2,821,922.61/x
  3. Step 3: Cross multiply
    7,681,286.27x = 11,520,365.40 × 2,821,922.61
  4. Step 4: Simplify right side
    7,681,286.27x = 32,509,579,597,721.70
  5. Step 5: Solve for x
    x = 32,509,579,597,721.70/7,681,286.27
  6. Step 6: Final answer
    x = 4,232,309.34

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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.