Home / 12,105,964.54-18,164,295.24-6,347,321.38

Finding the Fourth Proportional to 12,105,964.54, 18,164,295.24 and 6,347,321.38

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Solution

The fourth proportional to 12,105,964.54, 18,164,295.24 and 6,347,321.38 is: 9,523,786.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,105,964.54 : 18,164,295.24 = 6,347,321.38 : x
  2. Step 2: Convert to fraction form
    12,105,964.54/18,164,295.24 = 6,347,321.38/x
  3. Step 3: Cross multiply
    12,105,964.54x = 18,164,295.24 × 6,347,321.38
  4. Step 4: Simplify right side
    12,105,964.54x = 115,294,619,529,484.22
  5. Step 5: Solve for x
    x = 115,294,619,529,484.22/12,105,964.54
  6. Step 6: Final answer
    x = 9,523,786.32

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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.