Home / 20,042,736.40-30,085,364.36-17,752,099.60

Finding the Fourth Proportional to 20,042,736.40, 30,085,364.36 and 17,752,099.60

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Solution

The fourth proportional to 20,042,736.40, 30,085,364.36 and 17,752,099.60 is: 26,646,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042,736.40 : 30,085,364.36 = 17,752,099.60 : x
  2. Step 2: Convert to fraction form
    20,042,736.40/30,085,364.36 = 17,752,099.60/x
  3. Step 3: Cross multiply
    20,042,736.40x = 30,085,364.36 × 17,752,099.60
  4. Step 4: Simplify right side
    20,042,736.40x = 534,078,384,457,036.38
  5. Step 5: Solve for x
    x = 534,078,384,457,036.38/20,042,736.40
  6. Step 6: Final answer
    x = 26,646,979.43

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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.