Home / 7,815,109.80-11,724,738.30-2,765,893.80

Finding the Fourth Proportional to 7,815,109.80, 11,724,738.30 and 2,765,893.80

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Solution

The fourth proportional to 7,815,109.80, 11,724,738.30 and 2,765,893.80 is: 4,149,574.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,109.80 : 11,724,738.30 = 2,765,893.80 : x
  2. Step 2: Convert to fraction form
    7,815,109.80/11,724,738.30 = 2,765,893.80/x
  3. Step 3: Cross multiply
    7,815,109.80x = 11,724,738.30 × 2,765,893.80
  4. Step 4: Simplify right side
    7,815,109.80x = 32,429,380,970,592.54
  5. Step 5: Solve for x
    x = 32,429,380,970,592.54/7,815,109.80
  6. Step 6: Final answer
    x = 4,149,574.58

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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.