Home / 13,189,719.70-19,783,923.45-6,800,617.90

Finding the Fourth Proportional to 13,189,719.70, 19,783,923.45 and 6,800,617.90

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Solution

The fourth proportional to 13,189,719.70, 19,783,923.45 and 6,800,617.90 is: 10,200,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189,719.70 : 19,783,923.45 = 6,800,617.90 : x
  2. Step 2: Convert to fraction form
    13,189,719.70/19,783,923.45 = 6,800,617.90/x
  3. Step 3: Cross multiply
    13,189,719.70x = 19,783,923.45 × 6,800,617.90
  4. Step 4: Simplify right side
    13,189,719.70x = 134,542,903,946,299.75
  5. Step 5: Solve for x
    x = 134,542,903,946,299.75/13,189,719.70
  6. Step 6: Final answer
    x = 10,200,588.56

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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.