Home / 27,692,973.68-38,218,604.80-15,305,485.80

Finding the Fourth Proportional to 27,692,973.68, 38,218,604.80 and 15,305,485.80

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Solution

The fourth proportional to 27,692,973.68, 38,218,604.80 and 15,305,485.80 is: 21,122,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,692,973.68 : 38,218,604.80 = 15,305,485.80 : x
  2. Step 2: Convert to fraction form
    27,692,973.68/38,218,604.80 = 15,305,485.80/x
  3. Step 3: Cross multiply
    27,692,973.68x = 38,218,604.80 × 15,305,485.80
  4. Step 4: Simplify right side
    27,692,973.68x = 584,954,313,062,211.88
  5. Step 5: Solve for x
    x = 584,954,313,062,211.88/27,692,973.68
  6. Step 6: Final answer
    x = 21,122,842.20

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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.