Home / 6,915,449.91-9,543,269.30-3,817,972.65

Finding the Fourth Proportional to 6,915,449.91, 9,543,269.30 and 3,817,972.65

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Solution

The fourth proportional to 6,915,449.91, 9,543,269.30 and 3,817,972.65 is: 5,268,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915,449.91 : 9,543,269.30 = 3,817,972.65 : x
  2. Step 2: Convert to fraction form
    6,915,449.91/9,543,269.30 = 3,817,972.65/x
  3. Step 3: Cross multiply
    6,915,449.91x = 9,543,269.30 × 3,817,972.65
  4. Step 4: Simplify right side
    6,915,449.91x = 36,435,941,178,984.65
  5. Step 5: Solve for x
    x = 36,435,941,178,984.65/6,915,449.91
  6. Step 6: Final answer
    x = 5,268,773.78

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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.