Home / 8,691,491.70-13,037,237.55-5,458,230.90

Finding the Fourth Proportional to 8,691,491.70, 13,037,237.55 and 5,458,230.90

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Solution

The fourth proportional to 8,691,491.70, 13,037,237.55 and 5,458,230.90 is: 8,187,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,491.70 : 13,037,237.55 = 5,458,230.90 : x
  2. Step 2: Convert to fraction form
    8,691,491.70/13,037,237.55 = 5,458,230.90/x
  3. Step 3: Cross multiply
    8,691,491.70x = 13,037,237.55 × 5,458,230.90
  4. Step 4: Simplify right side
    8,691,491.70x = 71,160,252,846,050.30
  5. Step 5: Solve for x
    x = 71,160,252,846,050.30/8,691,491.70
  6. Step 6: Final answer
    x = 8,187,346.35

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Similar ratio
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1.5x scale

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.