Home / 7,647,424.80-10,553,580.77-4,162,863.73

Finding the Fourth Proportional to 7,647,424.80, 10,553,580.77 and 4,162,863.73

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Solution

The fourth proportional to 7,647,424.80, 10,553,580.77 and 4,162,863.73 is: 5,744,825.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647,424.80 : 10,553,580.77 = 4,162,863.73 : x
  2. Step 2: Convert to fraction form
    7,647,424.80/10,553,580.77 = 4,162,863.73/x
  3. Step 3: Cross multiply
    7,647,424.80x = 10,553,580.77 × 4,162,863.73
  4. Step 4: Simplify right side
    7,647,424.80x = 43,933,118,605,064.28
  5. Step 5: Solve for x
    x = 43,933,118,605,064.28/7,647,424.80
  6. Step 6: Final answer
    x = 5,744,825.19

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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.