Home / 38,238,849.75-52,769,620.22-20,835,195.02

Finding the Fourth Proportional to 38,238,849.75, 52,769,620.22 and 20,835,195.02

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Solution

The fourth proportional to 38,238,849.75, 52,769,620.22 and 20,835,195.02 is: 28,752,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238,849.75 : 52,769,620.22 = 20,835,195.02 : x
  2. Step 2: Convert to fraction form
    38,238,849.75/52,769,620.22 = 20,835,195.02/x
  3. Step 3: Cross multiply
    38,238,849.75x = 52,769,620.22 × 20,835,195.02
  4. Step 4: Simplify right side
    38,238,849.75x = 1,099,465,328,415,035.25
  5. Step 5: Solve for x
    x = 1,099,465,328,415,035.25/38,238,849.75
  6. Step 6: Final answer
    x = 28,752,573.25

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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.