Home / 5,371,179.57-7,398,107.73-4,128,413.18

Finding the Fourth Proportional to 5,371,179.57, 7,398,107.73 and 4,128,413.18

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Solution

The fourth proportional to 5,371,179.57, 7,398,107.73 and 4,128,413.18 is: 5,686,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371,179.57 : 7,398,107.73 = 4,128,413.18 : x
  2. Step 2: Convert to fraction form
    5,371,179.57/7,398,107.73 = 4,128,413.18/x
  3. Step 3: Cross multiply
    5,371,179.57x = 7,398,107.73 × 4,128,413.18
  4. Step 4: Simplify right side
    5,371,179.57x = 30,542,445,422,601.34
  5. Step 5: Solve for x
    x = 30,542,445,422,601.34/5,371,179.57
  6. Step 6: Final answer
    x = 5,686,357.16

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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.