Home / 7,777,228.90-11,665,843.35-6,993,408.10

Finding the Fourth Proportional to 7,777,228.90, 11,665,843.35 and 6,993,408.10

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Solution

The fourth proportional to 7,777,228.90, 11,665,843.35 and 6,993,408.10 is: 10,490,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,228.90 : 11,665,843.35 = 6,993,408.10 : x
  2. Step 2: Convert to fraction form
    7,777,228.90/11,665,843.35 = 6,993,408.10/x
  3. Step 3: Cross multiply
    7,777,228.90x = 11,665,843.35 × 6,993,408.10
  4. Step 4: Simplify right side
    7,777,228.90x = 81,584,003,377,221.12
  5. Step 5: Solve for x
    x = 81,584,003,377,221.12/7,777,228.90
  6. Step 6: Final answer
    x = 10,490,112.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.