Home / 13,513,152.22-20,269,728.32-3,415,773.22

Finding the Fourth Proportional to 13,513,152.22, 20,269,728.32 and 3,415,773.22

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Solution

The fourth proportional to 13,513,152.22, 20,269,728.32 and 3,415,773.22 is: 5,123,659.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,152.22 : 20,269,728.32 = 3,415,773.22 : x
  2. Step 2: Convert to fraction form
    13,513,152.22/20,269,728.32 = 3,415,773.22/x
  3. Step 3: Cross multiply
    13,513,152.22x = 20,269,728.32 × 3,415,773.22
  4. Step 4: Simplify right side
    13,513,152.22x = 69,236,795,129,996.70
  5. Step 5: Solve for x
    x = 69,236,795,129,996.70/13,513,152.22
  6. Step 6: Final answer
    x = 5,123,659.83

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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.