Home / 27,793,619.64-38,355,198.68-15,404,512.91

Finding the Fourth Proportional to 27,793,619.64, 38,355,198.68 and 15,404,512.91

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Solution

The fourth proportional to 27,793,619.64, 38,355,198.68 and 15,404,512.91 is: 21,258,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793,619.64 : 38,355,198.68 = 15,404,512.91 : x
  2. Step 2: Convert to fraction form
    27,793,619.64/38,355,198.68 = 15,404,512.91/x
  3. Step 3: Cross multiply
    27,793,619.64x = 38,355,198.68 × 15,404,512.91
  4. Step 4: Simplify right side
    27,793,619.64x = 590,843,153,078,410.12
  5. Step 5: Solve for x
    x = 590,843,153,078,410.12/27,793,619.64
  6. Step 6: Final answer
    x = 21,258,229.79

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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.