Home / 7,633,137.60-11,454,955.20-3,145,413.60

Finding the Fourth Proportional to 7,633,137.60, 11,454,955.20 and 3,145,413.60

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Solution

The fourth proportional to 7,633,137.60, 11,454,955.20 and 3,145,413.60 is: 4,720,283.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633,137.60 : 11,454,955.20 = 3,145,413.60 : x
  2. Step 2: Convert to fraction form
    7,633,137.60/11,454,955.20 = 3,145,413.60/x
  3. Step 3: Cross multiply
    7,633,137.60x = 11,454,955.20 × 3,145,413.60
  4. Step 4: Simplify right side
    7,633,137.60x = 36,030,571,873,470.72
  5. Step 5: Solve for x
    x = 36,030,571,873,470.72/7,633,137.60
  6. Step 6: Final answer
    x = 4,720,283.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.