Home / 7,942,704.08-11,903,587.07-3,147,777.05

Finding the Fourth Proportional to 7,942,704.08, 11,903,587.07 and 3,147,777.05

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Solution

The fourth proportional to 7,942,704.08, 11,903,587.07 and 3,147,777.05 is: 4,717,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942,704.08 : 11,903,587.07 = 3,147,777.05 : x
  2. Step 2: Convert to fraction form
    7,942,704.08/11,903,587.07 = 3,147,777.05/x
  3. Step 3: Cross multiply
    7,942,704.08x = 11,903,587.07 × 3,147,777.05
  4. Step 4: Simplify right side
    7,942,704.08x = 37,469,838,116,365.92
  5. Step 5: Solve for x
    x = 37,469,838,116,365.92/7,942,704.08
  6. Step 6: Final answer
    x = 4,717,516.57

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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.