Home / 18,864,141.60-28,296,212.40-15,085,005.60

Finding the Fourth Proportional to 18,864,141.60, 28,296,212.40 and 15,085,005.60

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Solution

The fourth proportional to 18,864,141.60, 28,296,212.40 and 15,085,005.60 is: 22,627,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864,141.60 : 28,296,212.40 = 15,085,005.60 : x
  2. Step 2: Convert to fraction form
    18,864,141.60/28,296,212.40 = 15,085,005.60/x
  3. Step 3: Cross multiply
    18,864,141.60x = 28,296,212.40 × 15,085,005.60
  4. Step 4: Simplify right side
    18,864,141.60x = 426,848,522,512,789.44
  5. Step 5: Solve for x
    x = 426,848,522,512,789.44/18,864,141.60
  6. Step 6: Final answer
    x = 22,627,508.40

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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.