Home / 27,732,243.36-38,270,365.20-15,509,148.96

Finding the Fourth Proportional to 27,732,243.36, 38,270,365.20 and 15,509,148.96

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Solution

The fourth proportional to 27,732,243.36, 38,270,365.20 and 15,509,148.96 is: 21,402,552.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732,243.36 : 38,270,365.20 = 15,509,148.96 : x
  2. Step 2: Convert to fraction form
    27,732,243.36/38,270,365.20 = 15,509,148.96/x
  3. Step 3: Cross multiply
    27,732,243.36x = 38,270,365.20 × 15,509,148.96
  4. Step 4: Simplify right side
    27,732,243.36x = 593,540,794,640,400.25
  5. Step 5: Solve for x
    x = 593,540,794,640,400.25/27,732,243.36
  6. Step 6: Final answer
    x = 21,402,552.51

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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.