Home / 12,097,658.70-16,694,759.76-6,665,150.70

Finding the Fourth Proportional to 12,097,658.70, 16,694,759.76 and 6,665,150.70

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Solution

The fourth proportional to 12,097,658.70, 16,694,759.76 and 6,665,150.70 is: 9,197,902.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,658.70 : 16,694,759.76 = 6,665,150.70 : x
  2. Step 2: Convert to fraction form
    12,097,658.70/16,694,759.76 = 6,665,150.70/x
  3. Step 3: Cross multiply
    12,097,658.70x = 16,694,759.76 × 6,665,150.70
  4. Step 4: Simplify right side
    12,097,658.70x = 111,273,089,700,695.83
  5. Step 5: Solve for x
    x = 111,273,089,700,695.83/12,097,658.70
  6. Step 6: Final answer
    x = 9,197,902.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.