Home / 12,756,542.92-19,136,741.82-4,117,756.84

Finding the Fourth Proportional to 12,756,542.92, 19,136,741.82 and 4,117,756.84

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Solution

The fourth proportional to 12,756,542.92, 19,136,741.82 and 4,117,756.84 is: 6,177,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,542.92 : 19,136,741.82 = 4,117,756.84 : x
  2. Step 2: Convert to fraction form
    12,756,542.92/19,136,741.82 = 4,117,756.84/x
  3. Step 3: Cross multiply
    12,756,542.92x = 19,136,741.82 × 4,117,756.84
  4. Step 4: Simplify right side
    12,756,542.92x = 78,800,449,524,619.05
  5. Step 5: Solve for x
    x = 78,800,449,524,619.05/12,756,542.92
  6. Step 6: Final answer
    x = 6,177,257.43

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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.