Home / 28,135,820.70-42,193,233.45-11,092,967.10

Finding the Fourth Proportional to 28,135,820.70, 42,193,233.45 and 11,092,967.10

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Solution

The fourth proportional to 28,135,820.70, 42,193,233.45 and 11,092,967.10 is: 16,635,311.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135,820.70 : 42,193,233.45 = 11,092,967.10 : x
  2. Step 2: Convert to fraction form
    28,135,820.70/42,193,233.45 = 11,092,967.10/x
  3. Step 3: Cross multiply
    28,135,820.70x = 42,193,233.45 × 11,092,967.10
  4. Step 4: Simplify right side
    28,135,820.70x = 468,048,150,503,469.50
  5. Step 5: Solve for x
    x = 468,048,150,503,469.50/28,135,820.70
  6. Step 6: Final answer
    x = 16,635,311.81

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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.