Home / 20,940,138.60-31,410,907.74-5,792,801.64

Finding the Fourth Proportional to 20,940,138.60, 31,410,907.74 and 5,792,801.64

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Solution

The fourth proportional to 20,940,138.60, 31,410,907.74 and 5,792,801.64 is: 8,689,396.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,940,138.60 : 31,410,907.74 = 5,792,801.64 : x
  2. Step 2: Convert to fraction form
    20,940,138.60/31,410,907.74 = 5,792,801.64/x
  3. Step 3: Cross multiply
    20,940,138.60x = 31,410,907.74 × 5,792,801.64
  4. Step 4: Simplify right side
    20,940,138.60x = 181,957,157,870,160.69
  5. Step 5: Solve for x
    x = 181,957,157,870,160.69/20,940,138.60
  6. Step 6: Final answer
    x = 8,689,396.06

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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.