Home / 38,774,909.76-53,512,452.03-21,374,350.44

Finding the Fourth Proportional to 38,774,909.76, 53,512,452.03 and 21,374,350.44

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Solution

The fourth proportional to 38,774,909.76, 53,512,452.03 and 21,374,350.44 is: 29,498,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,774,909.76 : 53,512,452.03 = 21,374,350.44 : x
  2. Step 2: Convert to fraction form
    38,774,909.76/53,512,452.03 = 21,374,350.44/x
  3. Step 3: Cross multiply
    38,774,909.76x = 53,512,452.03 × 21,374,350.44
  4. Step 4: Simplify right side
    38,774,909.76x = 1,143,793,902,592,909.50
  5. Step 5: Solve for x
    x = 1,143,793,902,592,909.50/38,774,909.76
  6. Step 6: Final answer
    x = 29,498,299.54

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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.