Home / 11,102,781.40-16,682,165.70-7,061,205.40

Finding the Fourth Proportional to 11,102,781.40, 16,682,165.70 and 7,061,205.40

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Solution

The fourth proportional to 11,102,781.40, 16,682,165.70 and 7,061,205.40 is: 10,609,611.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102,781.40 : 16,682,165.70 = 7,061,205.40 : x
  2. Step 2: Convert to fraction form
    11,102,781.40/16,682,165.70 = 7,061,205.40/x
  3. Step 3: Cross multiply
    11,102,781.40x = 16,682,165.70 × 7,061,205.40
  4. Step 4: Simplify right side
    11,102,781.40x = 117,796,198,524,534.78
  5. Step 5: Solve for x
    x = 117,796,198,524,534.78/11,102,781.40
  6. Step 6: Final answer
    x = 10,609,611.62

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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.