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Finding the Fourth Proportional to 8,228,978.07, 12,343,508.11 and 3,373,936.48

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Solution

The fourth proportional to 8,228,978.07, 12,343,508.11 and 3,373,936.48 is: 5,060,921.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228,978.07 : 12,343,508.11 = 3,373,936.48 : x
  2. Step 2: Convert to fraction form
    8,228,978.07/12,343,508.11 = 3,373,936.48/x
  3. Step 3: Cross multiply
    8,228,978.07x = 12,343,508.11 × 3,373,936.48
  4. Step 4: Simplify right side
    8,228,978.07x = 41,646,212,349,793.01
  5. Step 5: Solve for x
    x = 41,646,212,349,793.01/8,228,978.07
  6. Step 6: Final answer
    x = 5,060,921.54

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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.