Home / 12,679,945.91-17,498,325.44-7,247,554.55

Finding the Fourth Proportional to 12,679,945.91, 17,498,325.44 and 7,247,554.55

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Solution

The fourth proportional to 12,679,945.91, 17,498,325.44 and 7,247,554.55 is: 10,001,625.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,945.91 : 17,498,325.44 = 7,247,554.55 : x
  2. Step 2: Convert to fraction form
    12,679,945.91/17,498,325.44 = 7,247,554.55/x
  3. Step 3: Cross multiply
    12,679,945.91x = 17,498,325.44 × 7,247,554.55
  4. Step 4: Simplify right side
    12,679,945.91x = 126,820,068,123,814.97
  5. Step 5: Solve for x
    x = 126,820,068,123,814.97/12,679,945.91
  6. Step 6: Final answer
    x = 10,001,625.32

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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.