Home / 13,174,610.86-18,180,960.32-7,373,391.97

Finding the Fourth Proportional to 13,174,610.86, 18,180,960.32 and 7,373,391.97

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Solution

The fourth proportional to 13,174,610.86, 18,180,960.32 and 7,373,391.97 is: 10,175,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174,610.86 : 18,180,960.32 = 7,373,391.97 : x
  2. Step 2: Convert to fraction form
    13,174,610.86/18,180,960.32 = 7,373,391.97/x
  3. Step 3: Cross multiply
    13,174,610.86x = 18,180,960.32 × 7,373,391.97
  4. Step 4: Simplify right side
    13,174,610.86x = 134,055,346,871,536.33
  5. Step 5: Solve for x
    x = 134,055,346,871,536.33/13,174,610.86
  6. Step 6: Final answer
    x = 10,175,279.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.