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Finding the Fourth Proportional to 11,671,996.80, 17,466,004.80 and 7,892,860.80

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Solution

The fourth proportional to 11,671,996.80, 17,466,004.80 and 7,892,860.80 is: 11,810,896.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671,996.80 : 17,466,004.80 = 7,892,860.80 : x
  2. Step 2: Convert to fraction form
    11,671,996.80/17,466,004.80 = 7,892,860.80/x
  3. Step 3: Cross multiply
    11,671,996.80x = 17,466,004.80 × 7,892,860.80
  4. Step 4: Simplify right side
    11,671,996.80x = 137,856,744,618,531.84
  5. Step 5: Solve for x
    x = 137,856,744,618,531.84/11,671,996.80
  6. Step 6: Final answer
    x = 11,810,896.37

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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.