Home / 7,858,406.31-11,789,571.23-2,740,909.73

Finding the Fourth Proportional to 7,858,406.31, 11,789,571.23 and 2,740,909.73

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Solution

The fourth proportional to 7,858,406.31, 11,789,571.23 and 2,740,909.73 is: 4,112,048.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858,406.31 : 11,789,571.23 = 2,740,909.73 : x
  2. Step 2: Convert to fraction form
    7,858,406.31/11,789,571.23 = 2,740,909.73/x
  3. Step 3: Cross multiply
    7,858,406.31x = 11,789,571.23 × 2,740,909.73
  4. Step 4: Simplify right side
    7,858,406.31x = 32,314,150,550,270.10
  5. Step 5: Solve for x
    x = 32,314,150,550,270.10/7,858,406.31
  6. Step 6: Final answer
    x = 4,112,048.84

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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.