Home / 9,043,321.80-13,564,982.70-5,453,142.60

Finding the Fourth Proportional to 9,043,321.80, 13,564,982.70 and 5,453,142.60

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Solution

The fourth proportional to 9,043,321.80, 13,564,982.70 and 5,453,142.60 is: 8,179,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043,321.80 : 13,564,982.70 = 5,453,142.60 : x
  2. Step 2: Convert to fraction form
    9,043,321.80/13,564,982.70 = 5,453,142.60/x
  3. Step 3: Cross multiply
    9,043,321.80x = 13,564,982.70 × 5,453,142.60
  4. Step 4: Simplify right side
    9,043,321.80x = 73,971,785,029,633.02
  5. Step 5: Solve for x
    x = 73,971,785,029,633.02/9,043,321.80
  6. Step 6: Final answer
    x = 8,179,713.90

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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.