Home / 39,929,620.74-55,102,912.92-21,594,906.24

Finding the Fourth Proportional to 39,929,620.74, 55,102,912.92 and 21,594,906.24

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Solution

The fourth proportional to 39,929,620.74, 55,102,912.92 and 21,594,906.24 is: 29,800,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929,620.74 : 55,102,912.92 = 21,594,906.24 : x
  2. Step 2: Convert to fraction form
    39,929,620.74/55,102,912.92 = 21,594,906.24/x
  3. Step 3: Cross multiply
    39,929,620.74x = 55,102,912.92 × 21,594,906.24
  4. Step 4: Simplify right side
    39,929,620.74x = 1,189,942,238,058,284.50
  5. Step 5: Solve for x
    x = 1,189,942,238,058,284.50/39,929,620.74
  6. Step 6: Final answer
    x = 29,800,990.24

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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.