Home / 7,469,679.75-10,308,685.95-4,162,193.54

Finding the Fourth Proportional to 7,469,679.75, 10,308,685.95 and 4,162,193.54

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Solution

The fourth proportional to 7,469,679.75, 10,308,685.95 and 4,162,193.54 is: 5,744,121.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469,679.75 : 10,308,685.95 = 4,162,193.54 : x
  2. Step 2: Convert to fraction form
    7,469,679.75/10,308,685.95 = 4,162,193.54/x
  3. Step 3: Cross multiply
    7,469,679.75x = 10,308,685.95 × 4,162,193.54
  4. Step 4: Simplify right side
    7,469,679.75x = 42,906,745,999,827.10
  5. Step 5: Solve for x
    x = 42,906,745,999,827.10/7,469,679.75
  6. Step 6: Final answer
    x = 5,744,121.23

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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.