Home / 11,278,488.13-15,563,910.90-6,383,605.12

Finding the Fourth Proportional to 11,278,488.13, 15,563,910.90 and 6,383,605.12

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Solution

The fourth proportional to 11,278,488.13, 15,563,910.90 and 6,383,605.12 is: 8,809,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278,488.13 : 15,563,910.90 = 6,383,605.12 : x
  2. Step 2: Convert to fraction form
    11,278,488.13/15,563,910.90 = 6,383,605.12/x
  3. Step 3: Cross multiply
    11,278,488.13x = 15,563,910.90 × 6,383,605.12
  4. Step 4: Simplify right side
    11,278,488.13x = 99,353,861,345,131.77
  5. Step 5: Solve for x
    x = 99,353,861,345,131.77/11,278,488.13
  6. Step 6: Final answer
    x = 8,809,147.13

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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.