Home / 20,162,310.70-30,243,575.40-5,016,242.20

Finding the Fourth Proportional to 20,162,310.70, 30,243,575.40 and 5,016,242.20

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Solution

The fourth proportional to 20,162,310.70, 30,243,575.40 and 5,016,242.20 is: 7,524,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,310.70 : 30,243,575.40 = 5,016,242.20 : x
  2. Step 2: Convert to fraction form
    20,162,310.70/30,243,575.40 = 5,016,242.20/x
  3. Step 3: Cross multiply
    20,162,310.70x = 30,243,575.40 × 5,016,242.20
  4. Step 4: Simplify right side
    20,162,310.70x = 151,709,099,200,361.88
  5. Step 5: Solve for x
    x = 151,709,099,200,361.88/20,162,310.70
  6. Step 6: Final answer
    x = 7,524,390.51

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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.