Home / 7,939,319.80-11,909,690.09-3,081,512.41

Finding the Fourth Proportional to 7,939,319.80, 11,909,690.09 and 3,081,512.41

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Solution

The fourth proportional to 7,939,319.80, 11,909,690.09 and 3,081,512.41 is: 4,622,544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939,319.80 : 11,909,690.09 = 3,081,512.41 : x
  2. Step 2: Convert to fraction form
    7,939,319.80/11,909,690.09 = 3,081,512.41/x
  3. Step 3: Cross multiply
    7,939,319.80x = 11,909,690.09 × 3,081,512.41
  4. Step 4: Simplify right side
    7,939,319.80x = 36,699,857,811,589.02
  5. Step 5: Solve for x
    x = 36,699,857,811,589.02/7,939,319.80
  6. Step 6: Final answer
    x = 4,622,544.34

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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.