Home / 39,111,057.46-53,972,206.26-21,469,971.88

Finding the Fourth Proportional to 39,111,057.46, 53,972,206.26 and 21,469,971.88

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Solution

The fourth proportional to 39,111,057.46, 53,972,206.26 and 21,469,971.88 is: 29,627,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,111,057.46 : 53,972,206.26 = 21,469,971.88 : x
  2. Step 2: Convert to fraction form
    39,111,057.46/53,972,206.26 = 21,469,971.88/x
  3. Step 3: Cross multiply
    39,111,057.46x = 53,972,206.26 × 21,469,971.88
  4. Step 4: Simplify right side
    39,111,057.46x = 1,158,781,750,703,759.75
  5. Step 5: Solve for x
    x = 1,158,781,750,703,759.75/39,111,057.46
  6. Step 6: Final answer
    x = 29,627,983.13

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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.