Home / 20,940,108.12-31,410,555.84-6,562,857.60

Finding the Fourth Proportional to 20,940,108.12, 31,410,555.84 and 6,562,857.60

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Solution

The fourth proportional to 20,940,108.12, 31,410,555.84 and 6,562,857.60 is: 9,844,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,940,108.12 : 31,410,555.84 = 6,562,857.60 : x
  2. Step 2: Convert to fraction form
    20,940,108.12/31,410,555.84 = 6,562,857.60/x
  3. Step 3: Cross multiply
    20,940,108.12x = 31,410,555.84 × 6,562,857.60
  4. Step 4: Simplify right side
    20,940,108.12x = 206,143,005,114,768.38
  5. Step 5: Solve for x
    x = 206,143,005,114,768.38/20,940,108.12
  6. Step 6: Final answer
    x = 9,844,409.78

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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.