Home / 11,511,311.90-15,885,644.82-6,284,328.26

Finding the Fourth Proportional to 11,511,311.90, 15,885,644.82 and 6,284,328.26

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Solution

The fourth proportional to 11,511,311.90, 15,885,644.82 and 6,284,328.26 is: 8,672,391.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511,311.90 : 15,885,644.82 = 6,284,328.26 : x
  2. Step 2: Convert to fraction form
    11,511,311.90/15,885,644.82 = 6,284,328.26/x
  3. Step 3: Cross multiply
    11,511,311.90x = 15,885,644.82 × 6,284,328.26
  4. Step 4: Simplify right side
    11,511,311.90x = 99,830,606,670,648.61
  5. Step 5: Solve for x
    x = 99,830,606,670,648.61/11,511,311.90
  6. Step 6: Final answer
    x = 8,672,391.78

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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.