Home / 40,539,857.04-55,944,311.31-21,954,846.56

Finding the Fourth Proportional to 40,539,857.04, 55,944,311.31 and 21,954,846.56

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Solution

The fourth proportional to 40,539,857.04, 55,944,311.31 and 21,954,846.56 is: 30,297,313.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539,857.04 : 55,944,311.31 = 21,954,846.56 : x
  2. Step 2: Convert to fraction form
    40,539,857.04/55,944,311.31 = 21,954,846.56/x
  3. Step 3: Cross multiply
    40,539,857.04x = 55,944,311.31 × 21,954,846.56
  4. Step 4: Simplify right side
    40,539,857.04x = 1,228,248,770,436,201
  5. Step 5: Solve for x
    x = 1,228,248,770,436,201/40,539,857.04
  6. Step 6: Final answer
    x = 30,297,313.81

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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.