Home / 38,239,171.12-52,769,391.73-20,835,659.35

Finding the Fourth Proportional to 38,239,171.12, 52,769,391.73 and 20,835,659.35

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Solution

The fourth proportional to 38,239,171.12, 52,769,391.73 and 20,835,659.35 is: 28,752,847.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,239,171.12 : 52,769,391.73 = 20,835,659.35 : x
  2. Step 2: Convert to fraction form
    38,239,171.12/52,769,391.73 = 20,835,659.35/x
  3. Step 3: Cross multiply
    38,239,171.12x = 52,769,391.73 × 20,835,659.35
  4. Step 4: Simplify right side
    38,239,171.12x = 1,099,485,070,192,987.12
  5. Step 5: Solve for x
    x = 1,099,485,070,192,987.12/38,239,171.12
  6. Step 6: Final answer
    x = 28,752,847.88

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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.