Home / 38,245,947.03-52,777,871.19-20,841,921.32

Finding the Fourth Proportional to 38,245,947.03, 52,777,871.19 and 20,841,921.32

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Solution

The fourth proportional to 38,245,947.03, 52,777,871.19 and 20,841,921.32 is: 28,761,014.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,245,947.03 : 52,777,871.19 = 20,841,921.32 : x
  2. Step 2: Convert to fraction form
    38,245,947.03/52,777,871.19 = 20,841,921.32/x
  3. Step 3: Cross multiply
    38,245,947.03x = 52,777,871.19 × 20,841,921.32
  4. Step 4: Simplify right side
    38,245,947.03x = 1,099,992,238,515,185.38
  5. Step 5: Solve for x
    x = 1,099,992,238,515,185.38/38,245,947.03
  6. Step 6: Final answer
    x = 28,761,014.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.