Home / 7,913,872.47-11,870,440.97-3,300,954.87

Finding the Fourth Proportional to 7,913,872.47, 11,870,440.97 and 3,300,954.87

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Solution

The fourth proportional to 7,913,872.47, 11,870,440.97 and 3,300,954.87 is: 4,951,278.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913,872.47 : 11,870,440.97 = 3,300,954.87 : x
  2. Step 2: Convert to fraction form
    7,913,872.47/11,870,440.97 = 3,300,954.87/x
  3. Step 3: Cross multiply
    7,913,872.47x = 11,870,440.97 × 3,300,954.87
  4. Step 4: Simplify right side
    7,913,872.47x = 39,183,789,912,464.25
  5. Step 5: Solve for x
    x = 39,183,789,912,464.25/7,913,872.47
  6. Step 6: Final answer
    x = 4,951,278.92

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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.