Home / 12,468,997.60-18,672,003.60-9,949,573.60

Finding the Fourth Proportional to 12,468,997.60, 18,672,003.60 and 9,949,573.60

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Solution

The fourth proportional to 12,468,997.60, 18,672,003.60 and 9,949,573.60 is: 14,899,230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468,997.60 : 18,672,003.60 = 9,949,573.60 : x
  2. Step 2: Convert to fraction form
    12,468,997.60/18,672,003.60 = 9,949,573.60/x
  3. Step 3: Cross multiply
    12,468,997.60x = 18,672,003.60 × 9,949,573.60
  4. Step 4: Simplify right side
    12,468,997.60x = 185,778,474,077,664.97
  5. Step 5: Solve for x
    x = 185,778,474,077,664.97/12,468,997.60
  6. Step 6: Final answer
    x = 14,899,230.88

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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.