Home / 21,366,493.80-31,990,758.30-16,647,901.80

Finding the Fourth Proportional to 21,366,493.80, 31,990,758.30 and 16,647,901.80

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Solution

The fourth proportional to 21,366,493.80, 31,990,758.30 and 16,647,901.80 is: 24,925,896.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,366,493.80 : 31,990,758.30 = 16,647,901.80 : x
  2. Step 2: Convert to fraction form
    21,366,493.80/31,990,758.30 = 16,647,901.80/x
  3. Step 3: Cross multiply
    21,366,493.80x = 31,990,758.30 × 16,647,901.80
  4. Step 4: Simplify right side
    21,366,493.80x = 532,579,002,685,935
  5. Step 5: Solve for x
    x = 532,579,002,685,935/21,366,493.80
  6. Step 6: Final answer
    x = 24,925,896.02

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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.