Home / 11,651,189.82-16,078,307.34-6,494,440.66

Finding the Fourth Proportional to 11,651,189.82, 16,078,307.34 and 6,494,440.66

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Solution

The fourth proportional to 11,651,189.82, 16,078,307.34 and 6,494,440.66 is: 8,962,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651,189.82 : 16,078,307.34 = 6,494,440.66 : x
  2. Step 2: Convert to fraction form
    11,651,189.82/16,078,307.34 = 6,494,440.66/x
  3. Step 3: Cross multiply
    11,651,189.82x = 16,078,307.34 × 6,494,440.66
  4. Step 4: Simplify right side
    11,651,189.82x = 104,419,612,932,872.45
  5. Step 5: Solve for x
    x = 104,419,612,932,872.45/11,651,189.82
  6. Step 6: Final answer
    x = 8,962,141.60

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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.