Home / 20,132,400.96-30,211,587.36-7,351,836.48

Finding the Fourth Proportional to 20,132,400.96, 30,211,587.36 and 7,351,836.48

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Solution

The fourth proportional to 20,132,400.96, 30,211,587.36 and 7,351,836.48 is: 11,032,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,132,400.96 : 30,211,587.36 = 7,351,836.48 : x
  2. Step 2: Convert to fraction form
    20,132,400.96/30,211,587.36 = 7,351,836.48/x
  3. Step 3: Cross multiply
    20,132,400.96x = 30,211,587.36 × 7,351,836.48
  4. Step 4: Simplify right side
    20,132,400.96x = 222,110,650,071,954.91
  5. Step 5: Solve for x
    x = 222,110,650,071,954.91/20,132,400.96
  6. Step 6: Final answer
    x = 11,032,496.84

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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.