Home / 28,789,356.27-43,191,119.21-20,286,300.27

Finding the Fourth Proportional to 28,789,356.27, 43,191,119.21 and 20,286,300.27

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Solution

The fourth proportional to 28,789,356.27, 43,191,119.21 and 20,286,300.27 is: 30,434,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789,356.27 : 43,191,119.21 = 20,286,300.27 : x
  2. Step 2: Convert to fraction form
    28,789,356.27/43,191,119.21 = 20,286,300.27/x
  3. Step 3: Cross multiply
    28,789,356.27x = 43,191,119.21 × 20,286,300.27
  4. Step 4: Simplify right side
    28,789,356.27x = 876,188,013,189,993.62
  5. Step 5: Solve for x
    x = 876,188,013,189,993.62/28,789,356.27
  6. Step 6: Final answer
    x = 30,434,442.68

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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.