Home / 39,111,058.46-53,972,207.64-21,469,972.88

Finding the Fourth Proportional to 39,111,058.46, 53,972,207.64 and 21,469,972.88

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Solution

The fourth proportional to 39,111,058.46, 53,972,207.64 and 21,469,972.88 is: 29,627,984.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,111,058.46 : 53,972,207.64 = 21,469,972.88 : x
  2. Step 2: Convert to fraction form
    39,111,058.46/53,972,207.64 = 21,469,972.88/x
  3. Step 3: Cross multiply
    39,111,058.46x = 53,972,207.64 × 21,469,972.88
  4. Step 4: Simplify right side
    39,111,058.46x = 1,158,781,834,304,528.75
  5. Step 5: Solve for x
    x = 1,158,781,834,304,528.75/39,111,058.46
  6. Step 6: Final answer
    x = 29,627,984.51

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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.