Home / 13,821,716.20-20,732,574.30-8,795,309.80

Finding the Fourth Proportional to 13,821,716.20, 20,732,574.30 and 8,795,309.80

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Solution

The fourth proportional to 13,821,716.20, 20,732,574.30 and 8,795,309.80 is: 13,192,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821,716.20 : 20,732,574.30 = 8,795,309.80 : x
  2. Step 2: Convert to fraction form
    13,821,716.20/20,732,574.30 = 8,795,309.80/x
  3. Step 3: Cross multiply
    13,821,716.20x = 20,732,574.30 × 8,795,309.80
  4. Step 4: Simplify right side
    13,821,716.20x = 182,349,413,920,018.16
  5. Step 5: Solve for x
    x = 182,349,413,920,018.16/13,821,716.20
  6. Step 6: Final answer
    x = 13,192,964.70

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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.