Home / 5,187,634.20-7,781,451.30-4,557,778.20

Finding the Fourth Proportional to 5,187,634.20, 7,781,451.30 and 4,557,778.20

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Solution

The fourth proportional to 5,187,634.20, 7,781,451.30 and 4,557,778.20 is: 6,836,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,634.20 : 7,781,451.30 = 4,557,778.20 : x
  2. Step 2: Convert to fraction form
    5,187,634.20/7,781,451.30 = 4,557,778.20/x
  3. Step 3: Cross multiply
    5,187,634.20x = 7,781,451.30 × 4,557,778.20
  4. Step 4: Simplify right side
    5,187,634.20x = 35,466,129,099,501.66
  5. Step 5: Solve for x
    x = 35,466,129,099,501.66/5,187,634.20
  6. Step 6: Final answer
    x = 6,836,667.30

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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.