Home / 21,701,608.20-32,682,322.14-19,764,505.76

Finding the Fourth Proportional to 21,701,608.20, 32,682,322.14 and 19,764,505.76

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Solution

The fourth proportional to 21,701,608.20, 32,682,322.14 and 19,764,505.76 is: 29,765,072.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701,608.20 : 32,682,322.14 = 19,764,505.76 : x
  2. Step 2: Convert to fraction form
    21,701,608.20/32,682,322.14 = 19,764,505.76/x
  3. Step 3: Cross multiply
    21,701,608.20x = 32,682,322.14 × 19,764,505.76
  4. Step 4: Simplify right side
    21,701,608.20x = 645,949,944,022,793.88
  5. Step 5: Solve for x
    x = 645,949,944,022,793.88/21,701,608.20
  6. Step 6: Final answer
    x = 29,765,072.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.