Home / 38,245,944.53-52,777,867.74-20,841,918.82

Finding the Fourth Proportional to 38,245,944.53, 52,777,867.74 and 20,841,918.82

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Solution

The fourth proportional to 38,245,944.53, 52,777,867.74 and 20,841,918.82 is: 28,761,011.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,245,944.53 : 52,777,867.74 = 20,841,918.82 : x
  2. Step 2: Convert to fraction form
    38,245,944.53/52,777,867.74 = 20,841,918.82/x
  3. Step 3: Cross multiply
    38,245,944.53x = 52,777,867.74 × 20,841,918.82
  4. Step 4: Simplify right side
    38,245,944.53x = 1,099,992,034,929,776.88
  5. Step 5: Solve for x
    x = 1,099,992,034,929,776.88/38,245,944.53
  6. Step 6: Final answer
    x = 28,761,011.09

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1.5x scale

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.