Home / 7,219,269.67-9,962,592.23-3,956,212.82

Finding the Fourth Proportional to 7,219,269.67, 9,962,592.23 and 3,956,212.82

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Solution

The fourth proportional to 7,219,269.67, 9,962,592.23 and 3,956,212.82 is: 5,459,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,269.67 : 9,962,592.23 = 3,956,212.82 : x
  2. Step 2: Convert to fraction form
    7,219,269.67/9,962,592.23 = 3,956,212.82/x
  3. Step 3: Cross multiply
    7,219,269.67x = 9,962,592.23 × 3,956,212.82
  4. Step 4: Simplify right side
    7,219,269.67x = 39,414,135,100,758.39
  5. Step 5: Solve for x
    x = 39,414,135,100,758.39/7,219,269.67
  6. Step 6: Final answer
    x = 5,459,573.74

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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.