Home / 19,781,250.90-29,669,182.82-5,206,949.86

Finding the Fourth Proportional to 19,781,250.90, 29,669,182.82 and 5,206,949.86

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Solution

The fourth proportional to 19,781,250.90, 29,669,182.82 and 5,206,949.86 is: 7,809,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781,250.90 : 29,669,182.82 = 5,206,949.86 : x
  2. Step 2: Convert to fraction form
    19,781,250.90/29,669,182.82 = 5,206,949.86/x
  3. Step 3: Cross multiply
    19,781,250.90x = 29,669,182.82 × 5,206,949.86
  4. Step 4: Simplify right side
    19,781,250.90x = 154,485,947,330,913.41
  5. Step 5: Solve for x
    x = 154,485,947,330,913.41/19,781,250.90
  6. Step 6: Final answer
    x = 7,809,715.78

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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.