Home / 12,383,639.20-18,575,458.80-3,285,719.20

Finding the Fourth Proportional to 12,383,639.20, 18,575,458.80 and 3,285,719.20

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Solution

The fourth proportional to 12,383,639.20, 18,575,458.80 and 3,285,719.20 is: 4,928,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383,639.20 : 18,575,458.80 = 3,285,719.20 : x
  2. Step 2: Convert to fraction form
    12,383,639.20/18,575,458.80 = 3,285,719.20/x
  3. Step 3: Cross multiply
    12,383,639.20x = 18,575,458.80 × 3,285,719.20
  4. Step 4: Simplify right side
    12,383,639.20x = 61,033,741,627,968.97
  5. Step 5: Solve for x
    x = 61,033,741,627,968.97/12,383,639.20
  6. Step 6: Final answer
    x = 4,928,578.80

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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.