Home / 14,271,989.70-21,407,793.20-3,489,383.52

Finding the Fourth Proportional to 14,271,989.70, 21,407,793.20 and 3,489,383.52

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Solution

The fourth proportional to 14,271,989.70, 21,407,793.20 and 3,489,383.52 is: 5,234,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271,989.70 : 21,407,793.20 = 3,489,383.52 : x
  2. Step 2: Convert to fraction form
    14,271,989.70/21,407,793.20 = 3,489,383.52/x
  3. Step 3: Cross multiply
    14,271,989.70x = 21,407,793.20 × 3,489,383.52
  4. Step 4: Simplify right side
    14,271,989.70x = 74,700,000,791,648.06
  5. Step 5: Solve for x
    x = 74,700,000,791,648.06/14,271,989.70
  6. Step 6: Final answer
    x = 5,234,028.50

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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.