Home / 20,876,803.20-31,307,691.84-7,226,240.64

Finding the Fourth Proportional to 20,876,803.20, 31,307,691.84 and 7,226,240.64

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Solution

The fourth proportional to 20,876,803.20, 31,307,691.84 and 7,226,240.64 is: 10,836,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,876,803.20 : 31,307,691.84 = 7,226,240.64 : x
  2. Step 2: Convert to fraction form
    20,876,803.20/31,307,691.84 = 7,226,240.64/x
  3. Step 3: Cross multiply
    20,876,803.20x = 31,307,691.84 × 7,226,240.64
  4. Step 4: Simplify right side
    20,876,803.20x = 226,236,915,118,804.38
  5. Step 5: Solve for x
    x = 226,236,915,118,804.38/20,876,803.20
  6. Step 6: Final answer
    x = 10,836,760.44

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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.