Home / 6,172,568.57-8,517,780.16-3,381,136.66

Finding the Fourth Proportional to 6,172,568.57, 8,517,780.16 and 3,381,136.66

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Solution

The fourth proportional to 6,172,568.57, 8,517,780.16 and 3,381,136.66 is: 4,665,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,568.57 : 8,517,780.16 = 3,381,136.66 : x
  2. Step 2: Convert to fraction form
    6,172,568.57/8,517,780.16 = 3,381,136.66/x
  3. Step 3: Cross multiply
    6,172,568.57x = 8,517,780.16 × 3,381,136.66
  4. Step 4: Simplify right side
    6,172,568.57x = 28,799,778,760,796.67
  5. Step 5: Solve for x
    x = 28,799,778,760,796.67/6,172,568.57
  6. Step 6: Final answer
    x = 4,665,768.95

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1.5x scale

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.