Home / 8,393,961.40-12,590,942.10-7,694,121.40

Finding the Fourth Proportional to 8,393,961.40, 12,590,942.10 and 7,694,121.40

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Solution

The fourth proportional to 8,393,961.40, 12,590,942.10 and 7,694,121.40 is: 11,541,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393,961.40 : 12,590,942.10 = 7,694,121.40 : x
  2. Step 2: Convert to fraction form
    8,393,961.40/12,590,942.10 = 7,694,121.40/x
  3. Step 3: Cross multiply
    8,393,961.40x = 12,590,942.10 × 7,694,121.40
  4. Step 4: Simplify right side
    8,393,961.40x = 96,876,237,057,770.94
  5. Step 5: Solve for x
    x = 96,876,237,057,770.94/8,393,961.40
  6. Step 6: Final answer
    x = 11,541,182.10

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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.