Home / 9,179,437.80-13,769,156.70-8,187,414.60

Finding the Fourth Proportional to 9,179,437.80, 13,769,156.70 and 8,187,414.60

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Solution

The fourth proportional to 9,179,437.80, 13,769,156.70 and 8,187,414.60 is: 12,281,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179,437.80 : 13,769,156.70 = 8,187,414.60 : x
  2. Step 2: Convert to fraction form
    9,179,437.80/13,769,156.70 = 8,187,414.60/x
  3. Step 3: Cross multiply
    9,179,437.80x = 13,769,156.70 × 8,187,414.60
  4. Step 4: Simplify right side
    9,179,437.80x = 112,733,794,595,267.81
  5. Step 5: Solve for x
    x = 112,733,794,595,267.81/9,179,437.80
  6. Step 6: Final answer
    x = 12,281,121.90

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Double scale
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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.