Home / 6,787,639.42-9,366,942.40-3,731,853.66

Finding the Fourth Proportional to 6,787,639.42, 9,366,942.40 and 3,731,853.66

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Solution

The fourth proportional to 6,787,639.42, 9,366,942.40 and 3,731,853.66 is: 5,149,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787,639.42 : 9,366,942.40 = 3,731,853.66 : x
  2. Step 2: Convert to fraction form
    6,787,639.42/9,366,942.40 = 3,731,853.66/x
  3. Step 3: Cross multiply
    6,787,639.42x = 9,366,942.40 × 3,731,853.66
  4. Step 4: Simplify right side
    6,787,639.42x = 34,956,058,278,449.19
  5. Step 5: Solve for x
    x = 34,956,058,278,449.19/6,787,639.42
  6. Step 6: Final answer
    x = 5,149,958.05

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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.