Home / 19,579,390.15-27,017,976.62-11,319,984.69

Finding the Fourth Proportional to 19,579,390.15, 27,017,976.62 and 11,319,984.69

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Solution

The fourth proportional to 19,579,390.15, 27,017,976.62 and 11,319,984.69 is: 15,620,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579,390.15 : 27,017,976.62 = 11,319,984.69 : x
  2. Step 2: Convert to fraction form
    19,579,390.15/27,017,976.62 = 11,319,984.69/x
  3. Step 3: Cross multiply
    19,579,390.15x = 27,017,976.62 × 11,319,984.69
  4. Step 4: Simplify right side
    19,579,390.15x = 305,843,081,760,722.94
  5. Step 5: Solve for x
    x = 305,843,081,760,722.94/19,579,390.15
  6. Step 6: Final answer
    x = 15,620,664.36

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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.