Home / 28,129,760.01-42,201,003.38-8,961,608.97

Finding the Fourth Proportional to 28,129,760.01, 42,201,003.38 and 8,961,608.97

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Solution

The fourth proportional to 28,129,760.01, 42,201,003.38 and 8,961,608.97 is: 13,444,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,129,760.01 : 42,201,003.38 = 8,961,608.97 : x
  2. Step 2: Convert to fraction form
    28,129,760.01/42,201,003.38 = 8,961,608.97/x
  3. Step 3: Cross multiply
    28,129,760.01x = 42,201,003.38 × 8,961,608.97
  4. Step 4: Simplify right side
    28,129,760.01x = 378,188,890,388,400.31
  5. Step 5: Solve for x
    x = 378,188,890,388,400.31/28,129,760.01
  6. Step 6: Final answer
    x = 13,444,440.70

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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.