Home / 20,346,151.32-30,519,149.22-5,200,058.52

Finding the Fourth Proportional to 20,346,151.32, 30,519,149.22 and 5,200,058.52

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Solution

The fourth proportional to 20,346,151.32, 30,519,149.22 and 5,200,058.52 is: 7,800,067.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346,151.32 : 30,519,149.22 = 5,200,058.52 : x
  2. Step 2: Convert to fraction form
    20,346,151.32/30,519,149.22 = 5,200,058.52/x
  3. Step 3: Cross multiply
    20,346,151.32x = 30,519,149.22 × 5,200,058.52
  4. Step 4: Simplify right side
    20,346,151.32x = 158,701,361,924,612.34
  5. Step 5: Solve for x
    x = 158,701,361,924,612.34/20,346,151.32
  6. Step 6: Final answer
    x = 7,800,067.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.