Home / 7,691,865.75-10,618,043.31-4,792,689.25

Finding the Fourth Proportional to 7,691,865.75, 10,618,043.31 and 4,792,689.25

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Solution

The fourth proportional to 7,691,865.75, 10,618,043.31 and 4,792,689.25 is: 6,615,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691,865.75 : 10,618,043.31 = 4,792,689.25 : x
  2. Step 2: Convert to fraction form
    7,691,865.75/10,618,043.31 = 4,792,689.25/x
  3. Step 3: Cross multiply
    7,691,865.75x = 10,618,043.31 × 4,792,689.25
  4. Step 4: Simplify right side
    7,691,865.75x = 50,888,982,027,871.42
  5. Step 5: Solve for x
    x = 50,888,982,027,871.42/7,691,865.75
  6. Step 6: Final answer
    x = 6,615,947.77

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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.