Home / 5,173,413.72-7,138,969.38-3,107,201.56

Finding the Fourth Proportional to 5,173,413.72, 7,138,969.38 and 3,107,201.56

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Solution

The fourth proportional to 5,173,413.72, 7,138,969.38 and 3,107,201.56 is: 4,287,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,413.72 : 7,138,969.38 = 3,107,201.56 : x
  2. Step 2: Convert to fraction form
    5,173,413.72/7,138,969.38 = 3,107,201.56/x
  3. Step 3: Cross multiply
    5,173,413.72x = 7,138,969.38 × 3,107,201.56
  4. Step 4: Simplify right side
    5,173,413.72x = 22,182,216,794,328.23
  5. Step 5: Solve for x
    x = 22,182,216,794,328.23/5,173,413.72
  6. Step 6: Final answer
    x = 4,287,733.01

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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.