Home / 14,200,448.24-21,278,995.38-8,431,821.82

Finding the Fourth Proportional to 14,200,448.24, 21,278,995.38 and 8,431,821.82

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Solution

The fourth proportional to 14,200,448.24, 21,278,995.38 and 8,431,821.82 is: 12,634,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200,448.24 : 21,278,995.38 = 8,431,821.82 : x
  2. Step 2: Convert to fraction form
    14,200,448.24/21,278,995.38 = 8,431,821.82/x
  3. Step 3: Cross multiply
    14,200,448.24x = 21,278,995.38 × 8,431,821.82
  4. Step 4: Simplify right side
    14,200,448.24x = 179,420,697,552,763.19
  5. Step 5: Solve for x
    x = 179,420,697,552,763.19/14,200,448.24
  6. Step 6: Final answer
    x = 12,634,861.56

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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.