Home / 22,128,383.60-33,192,575.40-20,782,066.40

Finding the Fourth Proportional to 22,128,383.60, 33,192,575.40 and 20,782,066.40

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Solution

The fourth proportional to 22,128,383.60, 33,192,575.40 and 20,782,066.40 is: 31,173,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128,383.60 : 33,192,575.40 = 20,782,066.40 : x
  2. Step 2: Convert to fraction form
    22,128,383.60/33,192,575.40 = 20,782,066.40/x
  3. Step 3: Cross multiply
    22,128,383.60x = 33,192,575.40 × 20,782,066.40
  4. Step 4: Simplify right side
    22,128,383.60x = 689,810,305,949,806.50
  5. Step 5: Solve for x
    x = 689,810,305,949,806.50/22,128,383.60
  6. Step 6: Final answer
    x = 31,173,099.60

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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.