Home / 7,750,215.60-11,627,936.82-3,431,676.21

Finding the Fourth Proportional to 7,750,215.60, 11,627,936.82 and 3,431,676.21

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Solution

The fourth proportional to 7,750,215.60, 11,627,936.82 and 3,431,676.21 is: 5,148,671.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750,215.60 : 11,627,936.82 = 3,431,676.21 : x
  2. Step 2: Convert to fraction form
    7,750,215.60/11,627,936.82 = 3,431,676.21/x
  3. Step 3: Cross multiply
    7,750,215.60x = 11,627,936.82 × 3,431,676.21
  4. Step 4: Simplify right side
    7,750,215.60x = 39,903,314,156,577.05
  5. Step 5: Solve for x
    x = 39,903,314,156,577.05/7,750,215.60
  6. Step 6: Final answer
    x = 5,148,671.50

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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.