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Finding the Fourth Proportional to 11,350,467.54, 15,663,978.38 and 6,194,161.85

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Solution

The fourth proportional to 11,350,467.54, 15,663,978.38 and 6,194,161.85 is: 8,548,125.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350,467.54 : 15,663,978.38 = 6,194,161.85 : x
  2. Step 2: Convert to fraction form
    11,350,467.54/15,663,978.38 = 6,194,161.85/x
  3. Step 3: Cross multiply
    11,350,467.54x = 15,663,978.38 × 6,194,161.85
  4. Step 4: Simplify right side
    11,350,467.54x = 97,025,217,237,786.31
  5. Step 5: Solve for x
    x = 97,025,217,237,786.31/11,350,467.54
  6. Step 6: Final answer
    x = 8,548,125.17

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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.