Home / 27,929,415.73-38,538,051.96-15,539,190.79

Finding the Fourth Proportional to 27,929,415.73, 38,538,051.96 and 15,539,190.79

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Solution

The fourth proportional to 27,929,415.73, 38,538,051.96 and 15,539,190.79 is: 21,441,556.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929,415.73 : 38,538,051.96 = 15,539,190.79 : x
  2. Step 2: Convert to fraction form
    27,929,415.73/38,538,051.96 = 15,539,190.79/x
  3. Step 3: Cross multiply
    27,929,415.73x = 38,538,051.96 × 15,539,190.79
  4. Step 4: Simplify right side
    27,929,415.73x = 598,850,142,081,373.38
  5. Step 5: Solve for x
    x = 598,850,142,081,373.38/27,929,415.73
  6. Step 6: Final answer
    x = 21,441,556.38

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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.