Home / 7,816,890.57-10,787,310.02-4,332,454.31

Finding the Fourth Proportional to 7,816,890.57, 10,787,310.02 and 4,332,454.31

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Solution

The fourth proportional to 7,816,890.57, 10,787,310.02 and 4,332,454.31 is: 5,978,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816,890.57 : 10,787,310.02 = 4,332,454.31 : x
  2. Step 2: Convert to fraction form
    7,816,890.57/10,787,310.02 = 4,332,454.31/x
  3. Step 3: Cross multiply
    7,816,890.57x = 10,787,310.02 × 4,332,454.31
  4. Step 4: Simplify right side
    7,816,890.57x = 46,735,527,713,856.37
  5. Step 5: Solve for x
    x = 46,735,527,713,856.37/7,816,890.57
  6. Step 6: Final answer
    x = 5,978,787.51

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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.