Home / 11,997,715.36-18,001,757.58-6,451,768.88

Finding the Fourth Proportional to 11,997,715.36, 18,001,757.58 and 6,451,768.88

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Solution

The fourth proportional to 11,997,715.36, 18,001,757.58 and 6,451,768.88 is: 9,680,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997,715.36 : 18,001,757.58 = 6,451,768.88 : x
  2. Step 2: Convert to fraction form
    11,997,715.36/18,001,757.58 = 6,451,768.88/x
  3. Step 3: Cross multiply
    11,997,715.36x = 18,001,757.58 × 6,451,768.88
  4. Step 4: Simplify right side
    11,997,715.36x = 116,143,179,217,680.47
  5. Step 5: Solve for x
    x = 116,143,179,217,680.47/11,997,715.36
  6. Step 6: Final answer
    x = 9,680,441.30

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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.