Home / 13,126,640.12-19,689,960.17-3,542,003.27

Finding the Fourth Proportional to 13,126,640.12, 19,689,960.17 and 3,542,003.27

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Solution

The fourth proportional to 13,126,640.12, 19,689,960.17 and 3,542,003.27 is: 5,313,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,640.12 : 19,689,960.17 = 3,542,003.27 : x
  2. Step 2: Convert to fraction form
    13,126,640.12/19,689,960.17 = 3,542,003.27/x
  3. Step 3: Cross multiply
    13,126,640.12x = 19,689,960.17 × 3,542,003.27
  4. Step 4: Simplify right side
    13,126,640.12x = 69,741,903,209,859.96
  5. Step 5: Solve for x
    x = 69,741,903,209,859.96/13,126,640.12
  6. Step 6: Final answer
    x = 5,313,004.90

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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.