Home / 7,771,321.70-11,656,982.55-6,352,979.30

Finding the Fourth Proportional to 7,771,321.70, 11,656,982.55 and 6,352,979.30

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Solution

The fourth proportional to 7,771,321.70, 11,656,982.55 and 6,352,979.30 is: 9,529,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771,321.70 : 11,656,982.55 = 6,352,979.30 : x
  2. Step 2: Convert to fraction form
    7,771,321.70/11,656,982.55 = 6,352,979.30/x
  3. Step 3: Cross multiply
    7,771,321.70x = 11,656,982.55 × 6,352,979.30
  4. Step 4: Simplify right side
    7,771,321.70x = 74,056,568,840,611.22
  5. Step 5: Solve for x
    x = 74,056,568,840,611.22/7,771,321.70
  6. Step 6: Final answer
    x = 9,529,468.95

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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.