Home / 11,278,487.79-15,563,910.45-6,383,604.80

Finding the Fourth Proportional to 11,278,487.79, 15,563,910.45 and 6,383,604.80

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Solution

The fourth proportional to 11,278,487.79, 15,563,910.45 and 6,383,604.80 is: 8,809,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278,487.79 : 15,563,910.45 = 6,383,604.80 : x
  2. Step 2: Convert to fraction form
    11,278,487.79/15,563,910.45 = 6,383,604.80/x
  3. Step 3: Cross multiply
    11,278,487.79x = 15,563,910.45 × 6,383,604.80
  4. Step 4: Simplify right side
    11,278,487.79x = 99,353,853,353,632.08
  5. Step 5: Solve for x
    x = 99,353,853,353,632.08/11,278,487.79
  6. Step 6: Final answer
    x = 8,809,146.68

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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.