Home / 8,810,985.12-13,217,738.84-3,892,495.04

Finding the Fourth Proportional to 8,810,985.12, 13,217,738.84 and 3,892,495.04

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Solution

The fourth proportional to 8,810,985.12, 13,217,738.84 and 3,892,495.04 is: 5,839,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810,985.12 : 13,217,738.84 = 3,892,495.04 : x
  2. Step 2: Convert to fraction form
    8,810,985.12/13,217,738.84 = 3,892,495.04/x
  3. Step 3: Cross multiply
    8,810,985.12x = 13,217,738.84 × 3,892,495.04
  4. Step 4: Simplify right side
    8,810,985.12x = 51,449,982,874,715.35
  5. Step 5: Solve for x
    x = 51,449,982,874,715.35/8,810,985.12
  6. Step 6: Final answer
    x = 5,839,299.71

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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.