Home / 29,297,990-40,426,900.20-16,245,343.88

Finding the Fourth Proportional to 29,297,990, 40,426,900.20 and 16,245,343.88

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Solution

The fourth proportional to 29,297,990, 40,426,900.20 and 16,245,343.88 is: 22,416,175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,297,990 : 40,426,900.20 = 16,245,343.88 : x
  2. Step 2: Convert to fraction form
    29,297,990/40,426,900.20 = 16,245,343.88/x
  3. Step 3: Cross multiply
    29,297,990x = 40,426,900.20 × 16,245,343.88
  4. Step 4: Simplify right side
    29,297,990x = 656,748,895,751,440.88
  5. Step 5: Solve for x
    x = 656,748,895,751,440.88/29,297,990
  6. Step 6: Final answer
    x = 22,416,175.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.