Home / 28,063,670.20-42,086,757.30-11,029,564.60

Finding the Fourth Proportional to 28,063,670.20, 42,086,757.30 and 11,029,564.60

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Solution

The fourth proportional to 28,063,670.20, 42,086,757.30 and 11,029,564.60 is: 16,540,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063,670.20 : 42,086,757.30 = 11,029,564.60 : x
  2. Step 2: Convert to fraction form
    28,063,670.20/42,086,757.30 = 11,029,564.60/x
  3. Step 3: Cross multiply
    28,063,670.20x = 42,086,757.30 × 11,029,564.60
  4. Step 4: Simplify right side
    28,063,670.20x = 464,198,608,444,871.56
  5. Step 5: Solve for x
    x = 464,198,608,444,871.56/28,063,670.20
  6. Step 6: Final answer
    x = 16,540,908.77

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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.