Home / 6,890,113.30-9,509,261.77-3,951,080.55

Finding the Fourth Proportional to 6,890,113.30, 9,509,261.77 and 3,951,080.55

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Solution

The fourth proportional to 6,890,113.30, 9,509,261.77 and 3,951,080.55 is: 5,453,010.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890,113.30 : 9,509,261.77 = 3,951,080.55 : x
  2. Step 2: Convert to fraction form
    6,890,113.30/9,509,261.77 = 3,951,080.55/x
  3. Step 3: Cross multiply
    6,890,113.30x = 9,509,261.77 × 3,951,080.55
  4. Step 4: Simplify right side
    6,890,113.30x = 37,571,859,193,584.70
  5. Step 5: Solve for x
    x = 37,571,859,193,584.70/6,890,113.30
  6. Step 6: Final answer
    x = 5,453,010.36

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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.