Home / 21,031,024.20-31,546,536.30-13,850,665.80

Finding the Fourth Proportional to 21,031,024.20, 31,546,536.30 and 13,850,665.80

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Solution

The fourth proportional to 21,031,024.20, 31,546,536.30 and 13,850,665.80 is: 20,775,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,031,024.20 : 31,546,536.30 = 13,850,665.80 : x
  2. Step 2: Convert to fraction form
    21,031,024.20/31,546,536.30 = 13,850,665.80/x
  3. Step 3: Cross multiply
    21,031,024.20x = 31,546,536.30 × 13,850,665.80
  4. Step 4: Simplify right side
    21,031,024.20x = 436,940,531,438,868.56
  5. Step 5: Solve for x
    x = 436,940,531,438,868.56/21,031,024.20
  6. Step 6: Final answer
    x = 20,775,998.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.