Home / 8,666,221.82-11,971,843.44-6,921,600.56

Finding the Fourth Proportional to 8,666,221.82, 11,971,843.44 and 6,921,600.56

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Solution

The fourth proportional to 8,666,221.82, 11,971,843.44 and 6,921,600.56 is: 9,561,758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666,221.82 : 11,971,843.44 = 6,921,600.56 : x
  2. Step 2: Convert to fraction form
    8,666,221.82/11,971,843.44 = 6,921,600.56/x
  3. Step 3: Cross multiply
    8,666,221.82x = 11,971,843.44 × 6,921,600.56
  4. Step 4: Simplify right side
    8,666,221.82x = 82,864,318,258,536.31
  5. Step 5: Solve for x
    x = 82,864,318,258,536.31/8,666,221.82
  6. Step 6: Final answer
    x = 9,561,758.28

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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.