Home / 7,940,668.78-11,906,198.15-3,563,005.56

Finding the Fourth Proportional to 7,940,668.78, 11,906,198.15 and 3,563,005.56

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Solution

The fourth proportional to 7,940,668.78, 11,906,198.15 and 3,563,005.56 is: 5,342,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940,668.78 : 11,906,198.15 = 3,563,005.56 : x
  2. Step 2: Convert to fraction form
    7,940,668.78/11,906,198.15 = 3,563,005.56/x
  3. Step 3: Cross multiply
    7,940,668.78x = 11,906,198.15 × 3,563,005.56
  4. Step 4: Simplify right side
    7,940,668.78x = 42,421,850,164,490.34
  5. Step 5: Solve for x
    x = 42,421,850,164,490.34/7,940,668.78
  6. Step 6: Final answer
    x = 5,342,352.30

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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.