Home / 21,260,577.75-31,895,935.20-6,883,649.88

Finding the Fourth Proportional to 21,260,577.75, 31,895,935.20 and 6,883,649.88

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Solution

The fourth proportional to 21,260,577.75, 31,895,935.20 and 6,883,649.88 is: 10,327,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,260,577.75 : 31,895,935.20 = 6,883,649.88 : x
  2. Step 2: Convert to fraction form
    21,260,577.75/31,895,935.20 = 6,883,649.88/x
  3. Step 3: Cross multiply
    21,260,577.75x = 31,895,935.20 × 6,883,649.88
  4. Step 4: Simplify right side
    21,260,577.75x = 219,560,450,511,967.78
  5. Step 5: Solve for x
    x = 219,560,450,511,967.78/21,260,577.75
  6. Step 6: Final answer
    x = 10,327,115.90

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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.