Home / 11,612,047.21-16,023,997.61-6,455,042.89

Finding the Fourth Proportional to 11,612,047.21, 16,023,997.61 and 6,455,042.89

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Solution

The fourth proportional to 11,612,047.21, 16,023,997.61 and 6,455,042.89 is: 8,907,610.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612,047.21 : 16,023,997.61 = 6,455,042.89 : x
  2. Step 2: Convert to fraction form
    11,612,047.21/16,023,997.61 = 6,455,042.89/x
  3. Step 3: Cross multiply
    11,612,047.21x = 16,023,997.61 × 6,455,042.89
  4. Step 4: Simplify right side
    11,612,047.21x = 103,435,591,761,687.50
  5. Step 5: Solve for x
    x = 103,435,591,761,687.50/11,612,047.21
  6. Step 6: Final answer
    x = 8,907,610.34

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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.