Home / 27,732,109.60-38,279,930.16-19,058,992.48

Finding the Fourth Proportional to 27,732,109.60, 38,279,930.16 and 19,058,992.48

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Solution

The fourth proportional to 27,732,109.60, 38,279,930.16 and 19,058,992.48 is: 26,308,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732,109.60 : 38,279,930.16 = 19,058,992.48 : x
  2. Step 2: Convert to fraction form
    27,732,109.60/38,279,930.16 = 19,058,992.48/x
  3. Step 3: Cross multiply
    27,732,109.60x = 38,279,930.16 × 19,058,992.48
  4. Step 4: Simplify right side
    27,732,109.60x = 729,576,901,054,365.12
  5. Step 5: Solve for x
    x = 729,576,901,054,365.12/27,732,109.60
  6. Step 6: Final answer
    x = 26,308,020.25

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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.