Home / 7,135,310.50-9,846,622.01-4,195,459.78

Finding the Fourth Proportional to 7,135,310.50, 9,846,622.01 and 4,195,459.78

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Solution

The fourth proportional to 7,135,310.50, 9,846,622.01 and 4,195,459.78 is: 5,789,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,310.50 : 9,846,622.01 = 4,195,459.78 : x
  2. Step 2: Convert to fraction form
    7,135,310.50/9,846,622.01 = 4,195,459.78/x
  3. Step 3: Cross multiply
    7,135,310.50x = 9,846,622.01 × 4,195,459.78
  4. Step 4: Simplify right side
    7,135,310.50x = 41,311,106,611,817.76
  5. Step 5: Solve for x
    x = 41,311,106,611,817.76/7,135,310.50
  6. Step 6: Final answer
    x = 5,789,671.89

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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.