Home / 20,414,297.70-30,621,446.55-18,524,729.70

Finding the Fourth Proportional to 20,414,297.70, 30,621,446.55 and 18,524,729.70

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Solution

The fourth proportional to 20,414,297.70, 30,621,446.55 and 18,524,729.70 is: 27,787,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414,297.70 : 30,621,446.55 = 18,524,729.70 : x
  2. Step 2: Convert to fraction form
    20,414,297.70/30,621,446.55 = 18,524,729.70/x
  3. Step 3: Cross multiply
    20,414,297.70x = 30,621,446.55 × 18,524,729.70
  4. Step 4: Simplify right side
    20,414,297.70x = 567,254,020,361,747.50
  5. Step 5: Solve for x
    x = 567,254,020,361,747.50/20,414,297.70
  6. Step 6: Final answer
    x = 27,787,094.55

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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.