Home / 7,028,741.54-9,704,689.88-5,481,731.57

Finding the Fourth Proportional to 7,028,741.54, 9,704,689.88 and 5,481,731.57

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Solution

The fourth proportional to 7,028,741.54, 9,704,689.88 and 5,481,731.57 is: 7,568,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028,741.54 : 9,704,689.88 = 5,481,731.57 : x
  2. Step 2: Convert to fraction form
    7,028,741.54/9,704,689.88 = 5,481,731.57/x
  3. Step 3: Cross multiply
    7,028,741.54x = 9,704,689.88 × 5,481,731.57
  4. Step 4: Simplify right side
    7,028,741.54x = 53,198,504,816,323.41
  5. Step 5: Solve for x
    x = 53,198,504,816,323.41/7,028,741.54
  6. Step 6: Final answer
    x = 7,568,709.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.