Home / 17,816,979.60-26,725,469.40-13,338,003.60

Finding the Fourth Proportional to 17,816,979.60, 26,725,469.40 and 13,338,003.60

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Solution

The fourth proportional to 17,816,979.60, 26,725,469.40 and 13,338,003.60 is: 20,007,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,816,979.60 : 26,725,469.40 = 13,338,003.60 : x
  2. Step 2: Convert to fraction form
    17,816,979.60/26,725,469.40 = 13,338,003.60/x
  3. Step 3: Cross multiply
    17,816,979.60x = 26,725,469.40 × 13,338,003.60
  4. Step 4: Simplify right side
    17,816,979.60x = 356,464,407,068,889.81
  5. Step 5: Solve for x
    x = 356,464,407,068,889.81/17,816,979.60
  6. Step 6: Final answer
    x = 20,007,005.40

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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.