Home / 8,183,689.38-12,279,074.31-4,392,746.82

Finding the Fourth Proportional to 8,183,689.38, 12,279,074.31 and 4,392,746.82

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Solution

The fourth proportional to 8,183,689.38, 12,279,074.31 and 4,392,746.82 is: 6,591,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183,689.38 : 12,279,074.31 = 4,392,746.82 : x
  2. Step 2: Convert to fraction form
    8,183,689.38/12,279,074.31 = 4,392,746.82/x
  3. Step 3: Cross multiply
    8,183,689.38x = 12,279,074.31 × 4,392,746.82
  4. Step 4: Simplify right side
    8,183,689.38x = 53,938,864,627,796.20
  5. Step 5: Solve for x
    x = 53,938,864,627,796.20/8,183,689.38
  6. Step 6: Final answer
    x = 6,591,020.52

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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.