Home / 19,920,659.43-27,489,784.26-11,099,654.94

Finding the Fourth Proportional to 19,920,659.43, 27,489,784.26 and 11,099,654.94

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Solution

The fourth proportional to 19,920,659.43, 27,489,784.26 and 11,099,654.94 is: 15,317,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920,659.43 : 27,489,784.26 = 11,099,654.94 : x
  2. Step 2: Convert to fraction form
    19,920,659.43/27,489,784.26 = 11,099,654.94/x
  3. Step 3: Cross multiply
    19,920,659.43x = 27,489,784.26 × 11,099,654.94
  4. Step 4: Simplify right side
    19,920,659.43x = 305,127,119,661,043.25
  5. Step 5: Solve for x
    x = 305,127,119,661,043.25/19,920,659.43
  6. Step 6: Final answer
    x = 15,317,119.43

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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.