Home / 11,142,553.80-15,379,912.89-6,561,532.38

Finding the Fourth Proportional to 11,142,553.80, 15,379,912.89 and 6,561,532.38

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Solution

The fourth proportional to 11,142,553.80, 15,379,912.89 and 6,561,532.38 is: 9,056,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142,553.80 : 15,379,912.89 = 6,561,532.38 : x
  2. Step 2: Convert to fraction form
    11,142,553.80/15,379,912.89 = 6,561,532.38/x
  3. Step 3: Cross multiply
    11,142,553.80x = 15,379,912.89 × 6,561,532.38
  4. Step 4: Simplify right side
    11,142,553.80x = 100,915,796,429,314.38
  5. Step 5: Solve for x
    x = 100,915,796,429,314.38/11,142,553.80
  6. Step 6: Final answer
    x = 9,056,792.39

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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.