Home / 6,677,982.70-10,016,974.05-3,985,348.30

Finding the Fourth Proportional to 6,677,982.70, 10,016,974.05 and 3,985,348.30

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Solution

The fourth proportional to 6,677,982.70, 10,016,974.05 and 3,985,348.30 is: 5,978,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,677,982.70 : 10,016,974.05 = 3,985,348.30 : x
  2. Step 2: Convert to fraction form
    6,677,982.70/10,016,974.05 = 3,985,348.30/x
  3. Step 3: Cross multiply
    6,677,982.70x = 10,016,974.05 × 3,985,348.30
  4. Step 4: Simplify right side
    6,677,982.70x = 39,921,130,501,311.62
  5. Step 5: Solve for x
    x = 39,921,130,501,311.62/6,677,982.70
  6. Step 6: Final answer
    x = 5,978,022.45

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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.