Home / 13,196,486.25-18,204,679.60-11,451,706.76

Finding the Fourth Proportional to 13,196,486.25, 18,204,679.60 and 11,451,706.76

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Solution

The fourth proportional to 13,196,486.25, 18,204,679.60 and 11,451,706.76 is: 15,797,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196,486.25 : 18,204,679.60 = 11,451,706.76 : x
  2. Step 2: Convert to fraction form
    13,196,486.25/18,204,679.60 = 11,451,706.76/x
  3. Step 3: Cross multiply
    13,196,486.25x = 18,204,679.60 × 11,451,706.76
  4. Step 4: Simplify right side
    13,196,486.25x = 208,474,652,455,836.53
  5. Step 5: Solve for x
    x = 208,474,652,455,836.53/13,196,486.25
  6. Step 6: Final answer
    x = 15,797,739.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.