Home / 6,739,939.70-10,109,909.55-1,947,785.30

Finding the Fourth Proportional to 6,739,939.70, 10,109,909.55 and 1,947,785.30

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Solution

The fourth proportional to 6,739,939.70, 10,109,909.55 and 1,947,785.30 is: 2,921,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,939.70 : 10,109,909.55 = 1,947,785.30 : x
  2. Step 2: Convert to fraction form
    6,739,939.70/10,109,909.55 = 1,947,785.30/x
  3. Step 3: Cross multiply
    6,739,939.70x = 10,109,909.55 × 1,947,785.30
  4. Step 4: Simplify right side
    6,739,939.70x = 19,691,933,205,819.62
  5. Step 5: Solve for x
    x = 19,691,933,205,819.62/6,739,939.70
  6. Step 6: Final answer
    x = 2,921,677.95

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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.