Home / 20,832,980.39-28,749,201.55-11,540,522.62

Finding the Fourth Proportional to 20,832,980.39, 28,749,201.55 and 11,540,522.62

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Solution

The fourth proportional to 20,832,980.39, 28,749,201.55 and 11,540,522.62 is: 15,925,748.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832,980.39 : 28,749,201.55 = 11,540,522.62 : x
  2. Step 2: Convert to fraction form
    20,832,980.39/28,749,201.55 = 11,540,522.62/x
  3. Step 3: Cross multiply
    20,832,980.39x = 28,749,201.55 × 11,540,522.62
  4. Step 4: Simplify right side
    20,832,980.39x = 331,780,810,801,799.25
  5. Step 5: Solve for x
    x = 331,780,810,801,799.25/20,832,980.39
  6. Step 6: Final answer
    x = 15,925,748.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.