Home / 21,026,230.30-31,489,579.05-14,257,999.90

Finding the Fourth Proportional to 21,026,230.30, 31,489,579.05 and 14,257,999.90

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Solution

The fourth proportional to 21,026,230.30, 31,489,579.05 and 14,257,999.90 is: 21,353,252.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026,230.30 : 31,489,579.05 = 14,257,999.90 : x
  2. Step 2: Convert to fraction form
    21,026,230.30/31,489,579.05 = 14,257,999.90/x
  3. Step 3: Cross multiply
    21,026,230.30x = 31,489,579.05 × 14,257,999.90
  4. Step 4: Simplify right side
    21,026,230.30x = 448,978,414,945,942.12
  5. Step 5: Solve for x
    x = 448,978,414,945,942.12/21,026,230.30
  6. Step 6: Final answer
    x = 21,353,252.99

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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.