Home / 9,431,057.25-13,014,859.01-5,138,705.25

Finding the Fourth Proportional to 9,431,057.25, 13,014,859.01 and 5,138,705.25

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Solution

The fourth proportional to 9,431,057.25, 13,014,859.01 and 5,138,705.25 is: 7,091,413.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431,057.25 : 13,014,859.01 = 5,138,705.25 : x
  2. Step 2: Convert to fraction form
    9,431,057.25/13,014,859.01 = 5,138,705.25/x
  3. Step 3: Cross multiply
    9,431,057.25x = 13,014,859.01 × 5,138,705.25
  4. Step 4: Simplify right side
    9,431,057.25x = 66,879,524,297,003.28
  5. Step 5: Solve for x
    x = 66,879,524,297,003.28/9,431,057.25
  6. Step 6: Final answer
    x = 7,091,413.25

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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.