Home / 13,772,761.40-20,659,142.10-7,395,469.40

Finding the Fourth Proportional to 13,772,761.40, 20,659,142.10 and 7,395,469.40

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Solution

The fourth proportional to 13,772,761.40, 20,659,142.10 and 7,395,469.40 is: 11,093,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,761.40 : 20,659,142.10 = 7,395,469.40 : x
  2. Step 2: Convert to fraction form
    13,772,761.40/20,659,142.10 = 7,395,469.40/x
  3. Step 3: Cross multiply
    13,772,761.40x = 20,659,142.10 × 7,395,469.40
  4. Step 4: Simplify right side
    13,772,761.40x = 152,784,053,230,801.75
  5. Step 5: Solve for x
    x = 152,784,053,230,801.75/13,772,761.40
  6. Step 6: Final answer
    x = 11,093,204.10

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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.