Home / 14,733,891.66-20,330,071.43-8,207,358.78

Finding the Fourth Proportional to 14,733,891.66, 20,330,071.43 and 8,207,358.78

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Solution

The fourth proportional to 14,733,891.66, 20,330,071.43 and 8,207,358.78 is: 11,324,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,733,891.66 : 20,330,071.43 = 8,207,358.78 : x
  2. Step 2: Convert to fraction form
    14,733,891.66/20,330,071.43 = 8,207,358.78/x
  3. Step 3: Cross multiply
    14,733,891.66x = 20,330,071.43 × 8,207,358.78
  4. Step 4: Simplify right side
    14,733,891.66x = 166,856,190,208,000.88
  5. Step 5: Solve for x
    x = 166,856,190,208,000.88/14,733,891.66
  6. Step 6: Final answer
    x = 11,324,651.63

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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.