Home / 7,857,946.46-11,785,753.21-2,177,578.46

Finding the Fourth Proportional to 7,857,946.46, 11,785,753.21 and 2,177,578.46

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Solution

The fourth proportional to 7,857,946.46, 11,785,753.21 and 2,177,578.46 is: 3,266,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857,946.46 : 11,785,753.21 = 2,177,578.46 : x
  2. Step 2: Convert to fraction form
    7,857,946.46/11,785,753.21 = 2,177,578.46/x
  3. Step 3: Cross multiply
    7,857,946.46x = 11,785,753.21 × 2,177,578.46
  4. Step 4: Simplify right side
    7,857,946.46x = 25,664,402,324,971.86
  5. Step 5: Solve for x
    x = 25,664,402,324,971.86/7,857,946.46
  6. Step 6: Final answer
    x = 3,266,044.44

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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.