Home / 7,691,825.60-10,617,987.69-4,792,648.87

Finding the Fourth Proportional to 7,691,825.60, 10,617,987.69 and 4,792,648.87

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Solution

The fourth proportional to 7,691,825.60, 10,617,987.69 and 4,792,648.87 is: 6,615,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691,825.60 : 10,617,987.69 = 4,792,648.87 : x
  2. Step 2: Convert to fraction form
    7,691,825.60/10,617,987.69 = 4,792,648.87/x
  3. Step 3: Cross multiply
    7,691,825.60x = 10,617,987.69 × 4,792,648.87
  4. Step 4: Simplify right side
    7,691,825.60x = 50,888,286,659,153.87
  5. Step 5: Solve for x
    x = 50,888,286,659,153.87/7,691,825.60
  6. Step 6: Final answer
    x = 6,615,891.90

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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.