Home / 20,352,627.52-30,516,985.68-8,222,475.76

Finding the Fourth Proportional to 20,352,627.52, 30,516,985.68 and 8,222,475.76

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Solution

The fourth proportional to 20,352,627.52, 30,516,985.68 and 8,222,475.76 is: 12,328,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352,627.52 : 30,516,985.68 = 8,222,475.76 : x
  2. Step 2: Convert to fraction form
    20,352,627.52/30,516,985.68 = 8,222,475.76/x
  3. Step 3: Cross multiply
    20,352,627.52x = 30,516,985.68 × 8,222,475.76
  4. Step 4: Simplify right side
    20,352,627.52x = 250,925,175,022,067.09
  5. Step 5: Solve for x
    x = 250,925,175,022,067.09/20,352,627.52
  6. Step 6: Final answer
    x = 12,328,883.57

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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.