Home / 8,071,399.80-11,132,233.23-5,171,060.54

Finding the Fourth Proportional to 8,071,399.80, 11,132,233.23 and 5,171,060.54

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Solution

The fourth proportional to 8,071,399.80, 11,132,233.23 and 5,171,060.54 is: 7,132,028.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071,399.80 : 11,132,233.23 = 5,171,060.54 : x
  2. Step 2: Convert to fraction form
    8,071,399.80/11,132,233.23 = 5,171,060.54/x
  3. Step 3: Cross multiply
    8,071,399.80x = 11,132,233.23 × 5,171,060.54
  4. Step 4: Simplify right side
    8,071,399.80x = 57,565,451,977,729.75
  5. Step 5: Solve for x
    x = 57,565,451,977,729.75/8,071,399.80
  6. Step 6: Final answer
    x = 7,132,028.32

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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.