Home / 7,111,815.82-9,814,305.36-3,848,630.20

Finding the Fourth Proportional to 7,111,815.82, 9,814,305.36 and 3,848,630.20

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Solution

The fourth proportional to 7,111,815.82, 9,814,305.36 and 3,848,630.20 is: 5,311,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,815.82 : 9,814,305.36 = 3,848,630.20 : x
  2. Step 2: Convert to fraction form
    7,111,815.82/9,814,305.36 = 3,848,630.20/x
  3. Step 3: Cross multiply
    7,111,815.82x = 9,814,305.36 × 3,848,630.20
  4. Step 4: Simplify right side
    7,111,815.82x = 37,771,632,000,517.88
  5. Step 5: Solve for x
    x = 37,771,632,000,517.88/7,111,815.82
  6. Step 6: Final answer
    x = 5,311,109.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.