Home / 38,238,838.34-52,769,604.51-20,835,183.56

Finding the Fourth Proportional to 38,238,838.34, 52,769,604.51 and 20,835,183.56

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Solution

The fourth proportional to 38,238,838.34, 52,769,604.51 and 20,835,183.56 is: 28,752,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238,838.34 : 52,769,604.51 = 20,835,183.56 : x
  2. Step 2: Convert to fraction form
    38,238,838.34/52,769,604.51 = 20,835,183.56/x
  3. Step 3: Cross multiply
    38,238,838.34x = 52,769,604.51 × 20,835,183.56
  4. Step 4: Simplify right side
    38,238,838.34x = 1,099,464,396,546,254.75
  5. Step 5: Solve for x
    x = 1,099,464,396,546,254.75/38,238,838.34
  6. Step 6: Final answer
    x = 28,752,557.46

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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.