Home / 7,638,381.71-10,540,756.46-4,200,622.73

Finding the Fourth Proportional to 7,638,381.71, 10,540,756.46 and 4,200,622.73

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Solution

The fourth proportional to 7,638,381.71, 10,540,756.46 and 4,200,622.73 is: 5,796,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,381.71 : 10,540,756.46 = 4,200,622.73 : x
  2. Step 2: Convert to fraction form
    7,638,381.71/10,540,756.46 = 4,200,622.73/x
  3. Step 3: Cross multiply
    7,638,381.71x = 10,540,756.46 × 4,200,622.73
  4. Step 4: Simplify right side
    7,638,381.71x = 44,277,741,103,563.44
  5. Step 5: Solve for x
    x = 44,277,741,103,563.44/7,638,381.71
  6. Step 6: Final answer
    x = 5,796,743.71

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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.