Home / 21,031,023.20-31,546,534.80-13,850,664.80

Finding the Fourth Proportional to 21,031,023.20, 31,546,534.80 and 13,850,664.80

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Solution

The fourth proportional to 21,031,023.20, 31,546,534.80 and 13,850,664.80 is: 20,775,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,031,023.20 : 31,546,534.80 = 13,850,664.80 : x
  2. Step 2: Convert to fraction form
    21,031,023.20/31,546,534.80 = 13,850,664.80/x
  3. Step 3: Cross multiply
    21,031,023.20x = 31,546,534.80 × 13,850,664.80
  4. Step 4: Simplify right side
    21,031,023.20x = 436,940,479,116,335.06
  5. Step 5: Solve for x
    x = 436,940,479,116,335.06/21,031,023.20
  6. Step 6: Final answer
    x = 20,775,997.20

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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.