Home / 8,491,642-11,718,114.42-4,624,154.44

Finding the Fourth Proportional to 8,491,642, 11,718,114.42 and 4,624,154.44

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Solution

The fourth proportional to 8,491,642, 11,718,114.42 and 4,624,154.44 is: 6,381,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491,642 : 11,718,114.42 = 4,624,154.44 : x
  2. Step 2: Convert to fraction form
    8,491,642/11,718,114.42 = 4,624,154.44/x
  3. Step 3: Cross multiply
    8,491,642x = 11,718,114.42 × 4,624,154.44
  4. Step 4: Simplify right side
    8,491,642x = 54,186,370,823,671.03
  5. Step 5: Solve for x
    x = 54,186,370,823,671.03/8,491,642
  6. Step 6: Final answer
    x = 6,381,141.69

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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.