Home / 30,855,361.32-46,283,435.66-21,268,165.68

Finding the Fourth Proportional to 30,855,361.32, 46,283,435.66 and 21,268,165.68

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Solution

The fourth proportional to 30,855,361.32, 46,283,435.66 and 21,268,165.68 is: 31,902,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855,361.32 : 46,283,435.66 = 21,268,165.68 : x
  2. Step 2: Convert to fraction form
    30,855,361.32/46,283,435.66 = 21,268,165.68/x
  3. Step 3: Cross multiply
    30,855,361.32x = 46,283,435.66 × 21,268,165.68
  4. Step 4: Simplify right side
    30,855,361.32x = 984,363,777,856,500
  5. Step 5: Solve for x
    x = 984,363,777,856,500/30,855,361.32
  6. Step 6: Final answer
    x = 31,902,519.88

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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.