Home / 18,652,019.82-27,947,099.16-11,343,372.90

Finding the Fourth Proportional to 18,652,019.82, 27,947,099.16 and 11,343,372.90

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Solution

The fourth proportional to 18,652,019.82, 27,947,099.16 and 11,343,372.90 is: 16,996,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,652,019.82 : 27,947,099.16 = 11,343,372.90 : x
  2. Step 2: Convert to fraction form
    18,652,019.82/27,947,099.16 = 11,343,372.90/x
  3. Step 3: Cross multiply
    18,652,019.82x = 27,947,099.16 × 11,343,372.90
  4. Step 4: Simplify right side
    18,652,019.82x = 317,014,367,245,156.75
  5. Step 5: Solve for x
    x = 317,014,367,245,156.75/18,652,019.82
  6. Step 6: Final answer
    x = 16,996,248.68

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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.