Home / 40,982,722.20-61,544,942.10-21,850,846.20

Finding the Fourth Proportional to 40,982,722.20, 61,544,942.10 and 21,850,846.20

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Solution

The fourth proportional to 40,982,722.20, 61,544,942.10 and 21,850,846.20 is: 32,814,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,982,722.20 : 61,544,942.10 = 21,850,846.20 : x
  2. Step 2: Convert to fraction form
    40,982,722.20/61,544,942.10 = 21,850,846.20/x
  3. Step 3: Cross multiply
    40,982,722.20x = 61,544,942.10 × 21,850,846.20
  4. Step 4: Simplify right side
    40,982,722.20x = 1,344,809,064,215,005
  5. Step 5: Solve for x
    x = 1,344,809,064,215,005/40,982,722.20
  6. Step 6: Final answer
    x = 32,814,049.24

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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.