Home / 7,899,012-11,848,556.88-1,915,380

Finding the Fourth Proportional to 7,899,012, 11,848,556.88 and 1,915,380

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Solution

The fourth proportional to 7,899,012, 11,848,556.88 and 1,915,380 is: 2,873,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899,012 : 11,848,556.88 = 1,915,380 : x
  2. Step 2: Convert to fraction form
    7,899,012/11,848,556.88 = 1,915,380/x
  3. Step 3: Cross multiply
    7,899,012x = 11,848,556.88 × 1,915,380
  4. Step 4: Simplify right side
    7,899,012x = 22,694,488,876,814.40
  5. Step 5: Solve for x
    x = 22,694,488,876,814.40/7,899,012
  6. Step 6: Final answer
    x = 2,873,079.43

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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.