Home / 20,263,939.20-27,964,400.94-12,004,471.44

Finding the Fourth Proportional to 20,263,939.20, 27,964,400.94 and 12,004,471.44

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Solution

The fourth proportional to 20,263,939.20, 27,964,400.94 and 12,004,471.44 is: 16,566,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263,939.20 : 27,964,400.94 = 12,004,471.44 : x
  2. Step 2: Convert to fraction form
    20,263,939.20/27,964,400.94 = 12,004,471.44/x
  3. Step 3: Cross multiply
    20,263,939.20x = 27,964,400.94 × 12,004,471.44
  4. Step 4: Simplify right side
    20,263,939.20x = 335,697,852,420,939.12
  5. Step 5: Solve for x
    x = 335,697,852,420,939.12/20,263,939.20
  6. Step 6: Final answer
    x = 16,566,268.24

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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.