Home / 20,309,823.32-30,469,777.24-10,079,484.44

Finding the Fourth Proportional to 20,309,823.32, 30,469,777.24 and 10,079,484.44

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Solution

The fourth proportional to 20,309,823.32, 30,469,777.24 and 10,079,484.44 is: 15,121,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,309,823.32 : 30,469,777.24 = 10,079,484.44 : x
  2. Step 2: Convert to fraction form
    20,309,823.32/30,469,777.24 = 10,079,484.44/x
  3. Step 3: Cross multiply
    20,309,823.32x = 30,469,777.24 × 10,079,484.44
  4. Step 4: Simplify right side
    20,309,823.32x = 307,119,645,580,846.12
  5. Step 5: Solve for x
    x = 307,119,645,580,846.12/20,309,823.32
  6. Step 6: Final answer
    x = 15,121,729.06

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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.