Home / 7,540,420.41-11,312,380.22-2,491,424.73

Finding the Fourth Proportional to 7,540,420.41, 11,312,380.22 and 2,491,424.73

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Solution

The fourth proportional to 7,540,420.41, 11,312,380.22 and 2,491,424.73 is: 3,737,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540,420.41 : 11,312,380.22 = 2,491,424.73 : x
  2. Step 2: Convert to fraction form
    7,540,420.41/11,312,380.22 = 2,491,424.73/x
  3. Step 3: Cross multiply
    7,540,420.41x = 11,312,380.22 × 2,491,424.73
  4. Step 4: Simplify right side
    7,540,420.41x = 28,183,943,822,813.71
  5. Step 5: Solve for x
    x = 28,183,943,822,813.71/7,540,420.41
  6. Step 6: Final answer
    x = 3,737,715.18

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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.