Home / 18,015,755.11-27,018,043.61-6,499,725.31

Finding the Fourth Proportional to 18,015,755.11, 27,018,043.61 and 6,499,725.31

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Solution

The fourth proportional to 18,015,755.11, 27,018,043.61 and 6,499,725.31 is: 9,747,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015,755.11 : 27,018,043.61 = 6,499,725.31 : x
  2. Step 2: Convert to fraction form
    18,015,755.11/27,018,043.61 = 6,499,725.31/x
  3. Step 3: Cross multiply
    18,015,755.11x = 27,018,043.61 × 6,499,725.31
  4. Step 4: Simplify right side
    18,015,755.11x = 175,609,861,764,459.16
  5. Step 5: Solve for x
    x = 175,609,861,764,459.16/18,015,755.11
  6. Step 6: Final answer
    x = 9,747,571.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.