Home / 8,543,639.89-12,816,238.52-2,784,895.39

Finding the Fourth Proportional to 8,543,639.89, 12,816,238.52 and 2,784,895.39

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Solution

The fourth proportional to 8,543,639.89, 12,816,238.52 and 2,784,895.39 is: 4,177,596.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543,639.89 : 12,816,238.52 = 2,784,895.39 : x
  2. Step 2: Convert to fraction form
    8,543,639.89/12,816,238.52 = 2,784,895.39/x
  3. Step 3: Cross multiply
    8,543,639.89x = 12,816,238.52 × 2,784,895.39
  4. Step 4: Simplify right side
    8,543,639.89x = 35,691,883,594,470.96
  5. Step 5: Solve for x
    x = 35,691,883,594,470.96/8,543,639.89
  6. Step 6: Final answer
    x = 4,177,596.91

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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.