Home / 13,174,707.78-18,181,093.95-7,373,489.13

Finding the Fourth Proportional to 13,174,707.78, 18,181,093.95 and 7,373,489.13

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Solution

The fourth proportional to 13,174,707.78, 18,181,093.95 and 7,373,489.13 is: 10,175,413.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174,707.78 : 18,181,093.95 = 7,373,489.13 : x
  2. Step 2: Convert to fraction form
    13,174,707.78/18,181,093.95 = 7,373,489.13/x
  3. Step 3: Cross multiply
    13,174,707.78x = 18,181,093.95 × 7,373,489.13
  4. Step 4: Simplify right side
    13,174,707.78x = 134,058,098,611,833.75
  5. Step 5: Solve for x
    x = 134,058,098,611,833.75/13,174,707.78
  6. Step 6: Final answer
    x = 10,175,413.44

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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.