Home / 11,839,676.12-17,756,431.40-5,012,735.21

Finding the Fourth Proportional to 11,839,676.12, 17,756,431.40 and 5,012,735.21

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Solution

The fourth proportional to 11,839,676.12, 17,756,431.40 and 5,012,735.21 is: 7,517,797.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839,676.12 : 17,756,431.40 = 5,012,735.21 : x
  2. Step 2: Convert to fraction form
    11,839,676.12/17,756,431.40 = 5,012,735.21/x
  3. Step 3: Cross multiply
    11,839,676.12x = 17,756,431.40 × 5,012,735.21
  4. Step 4: Simplify right side
    11,839,676.12x = 89,008,288,768,883.77
  5. Step 5: Solve for x
    x = 89,008,288,768,883.77/11,839,676.12
  6. Step 6: Final answer
    x = 7,517,797.61

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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.