Home / 7,741,378.35-10,683,409.94-4,257,002.79

Finding the Fourth Proportional to 7,741,378.35, 10,683,409.94 and 4,257,002.79

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Solution

The fourth proportional to 7,741,378.35, 10,683,409.94 and 4,257,002.79 is: 5,874,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741,378.35 : 10,683,409.94 = 4,257,002.79 : x
  2. Step 2: Convert to fraction form
    7,741,378.35/10,683,409.94 = 4,257,002.79/x
  3. Step 3: Cross multiply
    7,741,378.35x = 10,683,409.94 × 4,257,002.79
  4. Step 4: Simplify right side
    7,741,378.35x = 45,479,305,946,019.57
  5. Step 5: Solve for x
    x = 45,479,305,946,019.57/7,741,378.35
  6. Step 6: Final answer
    x = 5,874,833.12

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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.