Home / 19,580,028.56-27,018,855.27-11,320,620.75

Finding the Fourth Proportional to 19,580,028.56, 27,018,855.27 and 11,320,620.75

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Solution

The fourth proportional to 19,580,028.56, 27,018,855.27 and 11,320,620.75 is: 15,621,540.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580,028.56 : 27,018,855.27 = 11,320,620.75 : x
  2. Step 2: Convert to fraction form
    19,580,028.56/27,018,855.27 = 11,320,620.75/x
  3. Step 3: Cross multiply
    19,580,028.56x = 27,018,855.27 × 11,320,620.75
  4. Step 4: Simplify right side
    19,580,028.56x = 305,870,213,610,808.88
  5. Step 5: Solve for x
    x = 305,870,213,610,808.88/19,580,028.56
  6. Step 6: Final answer
    x = 15,621,540.73

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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.