Home / 8,512,146.96-12,768,136.19-3,899,824.84

Finding the Fourth Proportional to 8,512,146.96, 12,768,136.19 and 3,899,824.84

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Solution

The fourth proportional to 8,512,146.96, 12,768,136.19 and 3,899,824.84 is: 5,849,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512,146.96 : 12,768,136.19 = 3,899,824.84 : x
  2. Step 2: Convert to fraction form
    8,512,146.96/12,768,136.19 = 3,899,824.84/x
  3. Step 3: Cross multiply
    8,512,146.96x = 12,768,136.19 × 3,899,824.84
  4. Step 4: Simplify right side
    8,512,146.96x = 49,793,494,674,264.95
  5. Step 5: Solve for x
    x = 49,793,494,674,264.95/8,512,146.96
  6. Step 6: Final answer
    x = 5,849,698.66

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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.