Home / 12,512,443.41-18,770,690.25-3,874,513.77

Finding the Fourth Proportional to 12,512,443.41, 18,770,690.25 and 3,874,513.77

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Solution

The fourth proportional to 12,512,443.41, 18,770,690.25 and 3,874,513.77 is: 5,812,397.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512,443.41 : 18,770,690.25 = 3,874,513.77 : x
  2. Step 2: Convert to fraction form
    12,512,443.41/18,770,690.25 = 3,874,513.77/x
  3. Step 3: Cross multiply
    12,512,443.41x = 18,770,690.25 × 3,874,513.77
  4. Step 4: Simplify right side
    12,512,443.41x = 72,727,297,846,029.75
  5. Step 5: Solve for x
    x = 72,727,297,846,029.75/12,512,443.41
  6. Step 6: Final answer
    x = 5,812,397.74

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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.