Home / 11,781,392.96-17,670,015.84-3,145,600.64

Finding the Fourth Proportional to 11,781,392.96, 17,670,015.84 and 3,145,600.64

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Solution

The fourth proportional to 11,781,392.96, 17,670,015.84 and 3,145,600.64 is: 4,717,847.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781,392.96 : 17,670,015.84 = 3,145,600.64 : x
  2. Step 2: Convert to fraction form
    11,781,392.96/17,670,015.84 = 3,145,600.64/x
  3. Step 3: Cross multiply
    11,781,392.96x = 17,670,015.84 × 3,145,600.64
  4. Step 4: Simplify right side
    11,781,392.96x = 55,582,813,135,114.14
  5. Step 5: Solve for x
    x = 55,582,813,135,114.14/11,781,392.96
  6. Step 6: Final answer
    x = 4,717,847.31

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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.