Home / 6,677,986.20-10,016,979.30-3,985,351.80

Finding the Fourth Proportional to 6,677,986.20, 10,016,979.30 and 3,985,351.80

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Solution

The fourth proportional to 6,677,986.20, 10,016,979.30 and 3,985,351.80 is: 5,978,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,677,986.20 : 10,016,979.30 = 3,985,351.80 : x
  2. Step 2: Convert to fraction form
    6,677,986.20/10,016,979.30 = 3,985,351.80/x
  3. Step 3: Cross multiply
    6,677,986.20x = 10,016,979.30 × 3,985,351.80
  4. Step 4: Simplify right side
    6,677,986.20x = 39,921,186,483,817.74
  5. Step 5: Solve for x
    x = 39,921,186,483,817.74/6,677,986.20
  6. Step 6: Final answer
    x = 5,978,027.70

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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.