Home / 20,194,789.68-30,269,745.86-15,386,626.44

Finding the Fourth Proportional to 20,194,789.68, 30,269,745.86 and 15,386,626.44

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Solution

The fourth proportional to 20,194,789.68, 30,269,745.86 and 15,386,626.44 is: 23,062,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,789.68 : 30,269,745.86 = 15,386,626.44 : x
  2. Step 2: Convert to fraction form
    20,194,789.68/30,269,745.86 = 15,386,626.44/x
  3. Step 3: Cross multiply
    20,194,789.68x = 30,269,745.86 × 15,386,626.44
  4. Step 4: Simplify right side
    20,194,789.68x = 465,749,271,904,623.38
  5. Step 5: Solve for x
    x = 465,749,271,904,623.38/20,194,789.68
  6. Step 6: Final answer
    x = 23,062,843.40

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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.