Home / 6,112,751.90-9,169,127.85-3,278,399.90

Finding the Fourth Proportional to 6,112,751.90, 9,169,127.85 and 3,278,399.90

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Solution

The fourth proportional to 6,112,751.90, 9,169,127.85 and 3,278,399.90 is: 4,917,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112,751.90 : 9,169,127.85 = 3,278,399.90 : x
  2. Step 2: Convert to fraction form
    6,112,751.90/9,169,127.85 = 3,278,399.90/x
  3. Step 3: Cross multiply
    6,112,751.90x = 9,169,127.85 × 3,278,399.90
  4. Step 4: Simplify right side
    6,112,751.90x = 30,060,067,826,527.21
  5. Step 5: Solve for x
    x = 30,060,067,826,527.21/6,112,751.90
  6. Step 6: Final answer
    x = 4,917,599.85

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Similar ratio
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1.5x scale

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.