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Finding the Fourth Proportional to 8,891,247.86, 12,269,845.05 and 4,816,857.14

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Solution

The fourth proportional to 8,891,247.86, 12,269,845.05 and 4,816,857.14 is: 6,647,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891,247.86 : 12,269,845.05 = 4,816,857.14 : x
  2. Step 2: Convert to fraction form
    8,891,247.86/12,269,845.05 = 4,816,857.14/x
  3. Step 3: Cross multiply
    8,891,247.86x = 12,269,845.05 × 4,816,857.14
  4. Step 4: Simplify right side
    8,891,247.86x = 59,102,090,674,436.93
  5. Step 5: Solve for x
    x = 59,102,090,674,436.93/8,891,247.86
  6. Step 6: Final answer
    x = 6,647,221.14

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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.