Home / 8,839,310.76-12,198,374.82-5,217,638.76

Finding the Fourth Proportional to 8,839,310.76, 12,198,374.82 and 5,217,638.76

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Solution

The fourth proportional to 8,839,310.76, 12,198,374.82 and 5,217,638.76 is: 7,200,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839,310.76 : 12,198,374.82 = 5,217,638.76 : x
  2. Step 2: Convert to fraction form
    8,839,310.76/12,198,374.82 = 5,217,638.76/x
  3. Step 3: Cross multiply
    8,839,310.76x = 12,198,374.82 × 5,217,638.76
  4. Step 4: Simplify right side
    8,839,310.76x = 63,646,713,269,840.02
  5. Step 5: Solve for x
    x = 63,646,713,269,840.02/8,839,310.76
  6. Step 6: Final answer
    x = 7,200,415.85

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Double scale
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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.