Home / 13,591,580.36-20,377,187.42-8,198,973.77

Finding the Fourth Proportional to 13,591,580.36, 20,377,187.42 and 8,198,973.77

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Solution

The fourth proportional to 13,591,580.36, 20,377,187.42 and 8,198,973.77 is: 12,292,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,580.36 : 20,377,187.42 = 8,198,973.77 : x
  2. Step 2: Convert to fraction form
    13,591,580.36/20,377,187.42 = 8,198,973.77/x
  3. Step 3: Cross multiply
    13,591,580.36x = 20,377,187.42 × 8,198,973.77
  4. Step 4: Simplify right side
    13,591,580.36x = 167,072,025,091,513.56
  5. Step 5: Solve for x
    x = 167,072,025,091,513.56/13,591,580.36
  6. Step 6: Final answer
    x = 12,292,317.80

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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.