Home / 20,160,906.30-30,222,005.85-6,690,800.70

Finding the Fourth Proportional to 20,160,906.30, 30,222,005.85 and 6,690,800.70

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Solution

The fourth proportional to 20,160,906.30, 30,222,005.85 and 6,690,800.70 is: 10,029,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,906.30 : 30,222,005.85 = 6,690,800.70 : x
  2. Step 2: Convert to fraction form
    20,160,906.30/30,222,005.85 = 6,690,800.70/x
  3. Step 3: Cross multiply
    20,160,906.30x = 30,222,005.85 × 6,690,800.70
  4. Step 4: Simplify right side
    20,160,906.30x = 202,209,417,896,584.12
  5. Step 5: Solve for x
    x = 202,209,417,896,584.12/20,160,906.30
  6. Step 6: Final answer
    x = 10,029,778.17

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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.