Home / 38,245,943.53-52,777,866.36-20,841,917.82

Finding the Fourth Proportional to 38,245,943.53, 52,777,866.36 and 20,841,917.82

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Solution

The fourth proportional to 38,245,943.53, 52,777,866.36 and 20,841,917.82 is: 28,761,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,245,943.53 : 52,777,866.36 = 20,841,917.82 : x
  2. Step 2: Convert to fraction form
    38,245,943.53/52,777,866.36 = 20,841,917.82/x
  3. Step 3: Cross multiply
    38,245,943.53x = 52,777,866.36 × 20,841,917.82
  4. Step 4: Simplify right side
    38,245,943.53x = 1,099,991,953,390,062.50
  5. Step 5: Solve for x
    x = 1,099,991,953,390,062.50/38,245,943.53
  6. Step 6: Final answer
    x = 28,761,009.71

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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.