Home / 18,015,662.76-27,017,905.86-6,499,632.90

Finding the Fourth Proportional to 18,015,662.76, 27,017,905.86 and 6,499,632.90

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Solution

The fourth proportional to 18,015,662.76, 27,017,905.86 and 6,499,632.90 is: 9,747,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015,662.76 : 27,017,905.86 = 6,499,632.90 : x
  2. Step 2: Convert to fraction form
    18,015,662.76/27,017,905.86 = 6,499,632.90/x
  3. Step 3: Cross multiply
    18,015,662.76x = 27,017,905.86 × 6,499,632.90
  4. Step 4: Simplify right side
    18,015,662.76x = 175,606,469,816,758.81
  5. Step 5: Solve for x
    x = 175,606,469,816,758.81/18,015,662.76
  6. Step 6: Final answer
    x = 9,747,433.23

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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.