Home / 20,534,122.41-30,831,462.23-11,453,960.85

Finding the Fourth Proportional to 20,534,122.41, 30,831,462.23 and 11,453,960.85

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Solution

The fourth proportional to 20,534,122.41, 30,831,462.23 and 11,453,960.85 is: 17,197,830.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,122.41 : 30,831,462.23 = 11,453,960.85 : x
  2. Step 2: Convert to fraction form
    20,534,122.41/30,831,462.23 = 11,453,960.85/x
  3. Step 3: Cross multiply
    20,534,122.41x = 30,831,462.23 × 11,453,960.85
  4. Step 4: Simplify right side
    20,534,122.41x = 353,142,361,157,785.94
  5. Step 5: Solve for x
    x = 353,142,361,157,785.94/20,534,122.41
  6. Step 6: Final answer
    x = 17,197,830.72

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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.