Home / 7,214,103.21-9,955,465.92-3,951,123.15

Finding the Fourth Proportional to 7,214,103.21, 9,955,465.92 and 3,951,123.15

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Solution

The fourth proportional to 7,214,103.21, 9,955,465.92 and 3,951,123.15 is: 5,452,551.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214,103.21 : 9,955,465.92 = 3,951,123.15 : x
  2. Step 2: Convert to fraction form
    7,214,103.21/9,955,465.92 = 3,951,123.15/x
  3. Step 3: Cross multiply
    7,214,103.21x = 9,955,465.92 × 3,951,123.15
  4. Step 4: Simplify right side
    7,214,103.21x = 39,335,271,865,548.05
  5. Step 5: Solve for x
    x = 39,335,271,865,548.05/7,214,103.21
  6. Step 6: Final answer
    x = 5,452,551.86

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Double scale
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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.