Home / 12,591,626.70-18,887,440.05-3,493,706.70

Finding the Fourth Proportional to 12,591,626.70, 18,887,440.05 and 3,493,706.70

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Solution

The fourth proportional to 12,591,626.70, 18,887,440.05 and 3,493,706.70 is: 5,240,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,626.70 : 18,887,440.05 = 3,493,706.70 : x
  2. Step 2: Convert to fraction form
    12,591,626.70/18,887,440.05 = 3,493,706.70/x
  3. Step 3: Cross multiply
    12,591,626.70x = 18,887,440.05 × 3,493,706.70
  4. Step 4: Simplify right side
    12,591,626.70x = 65,987,175,848,533.34
  5. Step 5: Solve for x
    x = 65,987,175,848,533.34/12,591,626.70
  6. Step 6: Final answer
    x = 5,240,560.05

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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.