Home / 11,008,440.60-16,459,516.80-8,138,659.20

Finding the Fourth Proportional to 11,008,440.60, 16,459,516.80 and 8,138,659.20

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Solution

The fourth proportional to 11,008,440.60, 16,459,516.80 and 8,138,659.20 is: 12,168,698.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008,440.60 : 16,459,516.80 = 8,138,659.20 : x
  2. Step 2: Convert to fraction form
    11,008,440.60/16,459,516.80 = 8,138,659.20/x
  3. Step 3: Cross multiply
    11,008,440.60x = 16,459,516.80 × 8,138,659.20
  4. Step 4: Simplify right side
    11,008,440.60x = 133,958,397,831,874.56
  5. Step 5: Solve for x
    x = 133,958,397,831,874.56/11,008,440.60
  6. Step 6: Final answer
    x = 12,168,698.79

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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.