Home / 7,839,846.54-10,793,961.96-6,689,309.58

Finding the Fourth Proportional to 7,839,846.54, 10,793,961.96 and 6,689,309.58

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Solution

The fourth proportional to 7,839,846.54, 10,793,961.96 and 6,689,309.58 is: 9,209,893.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839,846.54 : 10,793,961.96 = 6,689,309.58 : x
  2. Step 2: Convert to fraction form
    7,839,846.54/10,793,961.96 = 6,689,309.58/x
  3. Step 3: Cross multiply
    7,839,846.54x = 10,793,961.96 × 6,689,309.58
  4. Step 4: Simplify right side
    7,839,846.54x = 72,204,153,145,183.58
  5. Step 5: Solve for x
    x = 72,204,153,145,183.58/7,839,846.54
  6. Step 6: Final answer
    x = 9,209,893.69

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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.