Home / 20,214,440.40-30,321,660.60-19,682,999.40

Finding the Fourth Proportional to 20,214,440.40, 30,321,660.60 and 19,682,999.40

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Solution

The fourth proportional to 20,214,440.40, 30,321,660.60 and 19,682,999.40 is: 29,524,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214,440.40 : 30,321,660.60 = 19,682,999.40 : x
  2. Step 2: Convert to fraction form
    20,214,440.40/30,321,660.60 = 19,682,999.40/x
  3. Step 3: Cross multiply
    20,214,440.40x = 30,321,660.60 × 19,682,999.40
  4. Step 4: Simplify right side
    20,214,440.40x = 596,821,227,396,803.62
  5. Step 5: Solve for x
    x = 596,821,227,396,803.62/20,214,440.40
  6. Step 6: Final answer
    x = 29,524,499.10

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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.