Home / 38,375,243.52-52,957,859.76-20,971,588.56

Finding the Fourth Proportional to 38,375,243.52, 52,957,859.76 and 20,971,588.56

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Solution

The fourth proportional to 38,375,243.52, 52,957,859.76 and 20,971,588.56 is: 28,940,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,375,243.52 : 52,957,859.76 = 20,971,588.56 : x
  2. Step 2: Convert to fraction form
    38,375,243.52/52,957,859.76 = 20,971,588.56/x
  3. Step 3: Cross multiply
    38,375,243.52x = 52,957,859.76 × 20,971,588.56
  4. Step 4: Simplify right side
    38,375,243.52x = 1,110,610,445,904,900.25
  5. Step 5: Solve for x
    x = 1,110,610,445,904,900.25/38,375,243.52
  6. Step 6: Final answer
    x = 28,940,805.17

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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.