Home / 27,648,383.05-38,169,112.71-20,197,680.46

Finding the Fourth Proportional to 27,648,383.05, 38,169,112.71 and 20,197,680.46

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Solution

The fourth proportional to 27,648,383.05, 38,169,112.71 and 20,197,680.46 is: 27,883,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,648,383.05 : 38,169,112.71 = 20,197,680.46 : x
  2. Step 2: Convert to fraction form
    27,648,383.05/38,169,112.71 = 20,197,680.46/x
  3. Step 3: Cross multiply
    27,648,383.05x = 38,169,112.71 × 20,197,680.46
  4. Step 4: Simplify right side
    27,648,383.05x = 770,927,541,958,304.75
  5. Step 5: Solve for x
    x = 770,927,541,958,304.75/27,648,383.05
  6. Step 6: Final answer
    x = 27,883,277.68

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1.5x scale

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.