Home / 20,002,048.20-30,003,072.30-19,683,183.60

Finding the Fourth Proportional to 20,002,048.20, 30,003,072.30 and 19,683,183.60

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Solution

The fourth proportional to 20,002,048.20, 30,003,072.30 and 19,683,183.60 is: 29,524,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002,048.20 : 30,003,072.30 = 19,683,183.60 : x
  2. Step 2: Convert to fraction form
    20,002,048.20/30,003,072.30 = 19,683,183.60/x
  3. Step 3: Cross multiply
    20,002,048.20x = 30,003,072.30 × 19,683,183.60
  4. Step 4: Simplify right side
    20,002,048.20x = 590,555,980,644,974.38
  5. Step 5: Solve for x
    x = 590,555,980,644,974.38/20,002,048.20
  6. Step 6: Final answer
    x = 29,524,775.40

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1.5x scale

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.