Home / 22,157,472.10-30,582,413.32-12,993,067.30

Finding the Fourth Proportional to 22,157,472.10, 30,582,413.32 and 12,993,067.30

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Solution

The fourth proportional to 22,157,472.10, 30,582,413.32 and 12,993,067.30 is: 17,933,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157,472.10 : 30,582,413.32 = 12,993,067.30 : x
  2. Step 2: Convert to fraction form
    22,157,472.10/30,582,413.32 = 12,993,067.30/x
  3. Step 3: Cross multiply
    22,157,472.10x = 30,582,413.32 × 12,993,067.30
  4. Step 4: Simplify right side
    22,157,472.10x = 397,359,354,463,176.44
  5. Step 5: Solve for x
    x = 397,359,354,463,176.44/22,157,472.10
  6. Step 6: Final answer
    x = 17,933,424.57

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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.