Home / 11,278,499.81-15,563,926.95-6,383,616.80

Finding the Fourth Proportional to 11,278,499.81, 15,563,926.95 and 6,383,616.80

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Solution

The fourth proportional to 11,278,499.81, 15,563,926.95 and 6,383,616.80 is: 8,809,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278,499.81 : 15,563,926.95 = 6,383,616.80 : x
  2. Step 2: Convert to fraction form
    11,278,499.81/15,563,926.95 = 6,383,616.80/x
  3. Step 3: Cross multiply
    11,278,499.81x = 15,563,926.95 × 6,383,616.80
  4. Step 4: Simplify right side
    11,278,499.81x = 99,354,145,474,173.12
  5. Step 5: Solve for x
    x = 99,354,145,474,173.12/11,278,499.81
  6. Step 6: Final answer
    x = 8,809,163.20

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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.