Home / 8,208,105.76-12,313,481.64-2,528,324.56

Finding the Fourth Proportional to 8,208,105.76, 12,313,481.64 and 2,528,324.56

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Solution

The fourth proportional to 8,208,105.76, 12,313,481.64 and 2,528,324.56 is: 3,792,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208,105.76 : 12,313,481.64 = 2,528,324.56 : x
  2. Step 2: Convert to fraction form
    8,208,105.76/12,313,481.64 = 2,528,324.56/x
  3. Step 3: Cross multiply
    8,208,105.76x = 12,313,481.64 × 2,528,324.56
  4. Step 4: Simplify right side
    8,208,105.76x = 31,132,478,049,521.08
  5. Step 5: Solve for x
    x = 31,132,478,049,521.08/8,208,105.76
  6. Step 6: Final answer
    x = 3,792,894.36

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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.