Home / 28,789,361.52-43,191,127.08-20,286,305.52

Finding the Fourth Proportional to 28,789,361.52, 43,191,127.08 and 20,286,305.52

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Solution

The fourth proportional to 28,789,361.52, 43,191,127.08 and 20,286,305.52 is: 30,434,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789,361.52 : 43,191,127.08 = 20,286,305.52 : x
  2. Step 2: Convert to fraction form
    28,789,361.52/43,191,127.08 = 20,286,305.52/x
  3. Step 3: Cross multiply
    28,789,361.52x = 43,191,127.08 × 20,286,305.52
  4. Step 4: Simplify right side
    28,789,361.52x = 876,188,399,698,025.38
  5. Step 5: Solve for x
    x = 876,188,399,698,025.38/28,789,361.52
  6. Step 6: Final answer
    x = 30,434,450.56

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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.