Home / 36,639,361.44-50,560,345.20-20,340,787.68

Finding the Fourth Proportional to 36,639,361.44, 50,560,345.20 and 20,340,787.68

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Solution

The fourth proportional to 36,639,361.44, 50,560,345.20 and 20,340,787.68 is: 28,069,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,639,361.44 : 50,560,345.20 = 20,340,787.68 : x
  2. Step 2: Convert to fraction form
    36,639,361.44/50,560,345.20 = 20,340,787.68/x
  3. Step 3: Cross multiply
    36,639,361.44x = 50,560,345.20 × 20,340,787.68
  4. Step 4: Simplify right side
    36,639,361.44x = 1,028,437,246,740,707.12
  5. Step 5: Solve for x
    x = 1,028,437,246,740,707.12/36,639,361.44
  6. Step 6: Final answer
    x = 28,069,191.34

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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.