Home / 20,711,576.76-31,067,338.26-5,565,508.60

Finding the Fourth Proportional to 20,711,576.76, 31,067,338.26 and 5,565,508.60

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Solution

The fourth proportional to 20,711,576.76, 31,067,338.26 and 5,565,508.60 is: 8,348,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,711,576.76 : 31,067,338.26 = 5,565,508.60 : x
  2. Step 2: Convert to fraction form
    20,711,576.76/31,067,338.26 = 5,565,508.60/x
  3. Step 3: Cross multiply
    20,711,576.76x = 31,067,338.26 × 5,565,508.60
  4. Step 4: Simplify right side
    20,711,576.76x = 172,905,538,265,139.03
  5. Step 5: Solve for x
    x = 172,905,538,265,139.03/20,711,576.76
  6. Step 6: Final answer
    x = 8,348,255.68

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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.