Home / 7,859,975.55-11,789,963.34-2,180,199.87

Finding the Fourth Proportional to 7,859,975.55, 11,789,963.34 and 2,180,199.87

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Solution

The fourth proportional to 7,859,975.55, 11,789,963.34 and 2,180,199.87 is: 3,270,299.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,975.55 : 11,789,963.34 = 2,180,199.87 : x
  2. Step 2: Convert to fraction form
    7,859,975.55/11,789,963.34 = 2,180,199.87/x
  3. Step 3: Cross multiply
    7,859,975.55x = 11,789,963.34 × 2,180,199.87
  4. Step 4: Simplify right side
    7,859,975.55x = 25,704,476,541,172.77
  5. Step 5: Solve for x
    x = 25,704,476,541,172.77/7,859,975.55
  6. Step 6: Final answer
    x = 3,270,299.81

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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.