Home / 7,210,974.67-9,951,147.28-3,947,996.64

Finding the Fourth Proportional to 7,210,974.67, 9,951,147.28 and 3,947,996.64

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Solution

The fourth proportional to 7,210,974.67, 9,951,147.28 and 3,947,996.64 is: 5,448,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,974.67 : 9,951,147.28 = 3,947,996.64 : x
  2. Step 2: Convert to fraction form
    7,210,974.67/9,951,147.28 = 3,947,996.64/x
  3. Step 3: Cross multiply
    7,210,974.67x = 9,951,147.28 × 3,947,996.64
  4. Step 4: Simplify right side
    7,210,974.67x = 39,287,096,025,585.14
  5. Step 5: Solve for x
    x = 39,287,096,025,585.14/7,210,974.67
  6. Step 6: Final answer
    x = 5,448,236.59

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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.