Home / 38,761,857.45-53,493,746.09-21,358,198.13

Finding the Fourth Proportional to 38,761,857.45, 53,493,746.09 and 21,358,198.13

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Solution

The fourth proportional to 38,761,857.45, 53,493,746.09 and 21,358,198.13 is: 29,475,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,761,857.45 : 53,493,746.09 = 21,358,198.13 : x
  2. Step 2: Convert to fraction form
    38,761,857.45/53,493,746.09 = 21,358,198.13/x
  3. Step 3: Cross multiply
    38,761,857.45x = 53,493,746.09 × 21,358,198.13
  4. Step 4: Simplify right side
    38,761,857.45x = 1,142,530,027,331,873
  5. Step 5: Solve for x
    x = 1,142,530,027,331,873/38,761,857.45
  6. Step 6: Final answer
    x = 29,475,626.36

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.