Home / 31,954,518.20-47,931,777.30-18,349,628.60

Finding the Fourth Proportional to 31,954,518.20, 47,931,777.30 and 18,349,628.60

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Solution

The fourth proportional to 31,954,518.20, 47,931,777.30 and 18,349,628.60 is: 27,524,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,954,518.20 : 47,931,777.30 = 18,349,628.60 : x
  2. Step 2: Convert to fraction form
    31,954,518.20/47,931,777.30 = 18,349,628.60/x
  3. Step 3: Cross multiply
    31,954,518.20x = 47,931,777.30 × 18,349,628.60
  4. Step 4: Simplify right side
    31,954,518.20x = 879,530,311,592,910.75
  5. Step 5: Solve for x
    x = 879,530,311,592,910.75/31,954,518.20
  6. Step 6: Final answer
    x = 27,524,442.90

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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.