Home / 6,519,123.92-8,995,954.76-3,942,225.68

Finding the Fourth Proportional to 6,519,123.92, 8,995,954.76 and 3,942,225.68

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Solution

The fourth proportional to 6,519,123.92, 8,995,954.76 and 3,942,225.68 is: 5,440,007.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519,123.92 : 8,995,954.76 = 3,942,225.68 : x
  2. Step 2: Convert to fraction form
    6,519,123.92/8,995,954.76 = 3,942,225.68/x
  3. Step 3: Cross multiply
    6,519,123.92x = 8,995,954.76 × 3,942,225.68
  4. Step 4: Simplify right side
    6,519,123.92x = 35,464,083,870,990.23
  5. Step 5: Solve for x
    x = 35,464,083,870,990.23/6,519,123.92
  6. Step 6: Final answer
    x = 5,440,007.63

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Double scale
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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.