Home / 38,122,299.60-52,609,179.72-20,718,645.72

Finding the Fourth Proportional to 38,122,299.60, 52,609,179.72 and 20,718,645.72

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Solution

The fourth proportional to 38,122,299.60, 52,609,179.72 and 20,718,645.72 is: 28,591,951.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,122,299.60 : 52,609,179.72 = 20,718,645.72 : x
  2. Step 2: Convert to fraction form
    38,122,299.60/52,609,179.72 = 20,718,645.72/x
  3. Step 3: Cross multiply
    38,122,299.60x = 52,609,179.72 × 20,718,645.72
  4. Step 4: Simplify right side
    38,122,299.60x = 1,089,990,956,238,488.75
  5. Step 5: Solve for x
    x = 1,089,990,956,238,488.75/38,122,299.60
  6. Step 6: Final answer
    x = 28,591,951.89

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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.