Home / 20,625,676.66-28,453,481.76-13,741,350.58

Finding the Fourth Proportional to 20,625,676.66, 28,453,481.76 and 13,741,350.58

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Solution

The fourth proportional to 20,625,676.66, 28,453,481.76 and 13,741,350.58 is: 18,956,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,625,676.66 : 28,453,481.76 = 13,741,350.58 : x
  2. Step 2: Convert to fraction form
    20,625,676.66/28,453,481.76 = 13,741,350.58/x
  3. Step 3: Cross multiply
    20,625,676.66x = 28,453,481.76 × 13,741,350.58
  4. Step 4: Simplify right side
    20,625,676.66x = 390,989,268,085,795.44
  5. Step 5: Solve for x
    x = 390,989,268,085,795.44/20,625,676.66
  6. Step 6: Final answer
    x = 18,956,433.50

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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.