Home / 13,203,234.20-19,781,231.70-11,171,948.60

Finding the Fourth Proportional to 13,203,234.20, 19,781,231.70 and 11,171,948.60

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Solution

The fourth proportional to 13,203,234.20, 19,781,231.70 and 11,171,948.60 is: 16,737,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,234.20 : 19,781,231.70 = 11,171,948.60 : x
  2. Step 2: Convert to fraction form
    13,203,234.20/19,781,231.70 = 11,171,948.60/x
  3. Step 3: Cross multiply
    13,203,234.20x = 19,781,231.70 × 11,171,948.60
  4. Step 4: Simplify right side
    13,203,234.20x = 220,994,903,797,090.59
  5. Step 5: Solve for x
    x = 220,994,903,797,090.59/13,203,234.20
  6. Step 6: Final answer
    x = 16,737,937.12

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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.