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Finding the Fourth Proportional to 16,000,865.46, 22,081,252.44 and 8,658,697.80

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Solution

The fourth proportional to 16,000,865.46, 22,081,252.44 and 8,658,697.80 is: 11,949,034.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,000,865.46 : 22,081,252.44 = 8,658,697.80 : x
  2. Step 2: Convert to fraction form
    16,000,865.46/22,081,252.44 = 8,658,697.80/x
  3. Step 3: Cross multiply
    16,000,865.46x = 22,081,252.44 × 8,658,697.80
  4. Step 4: Simplify right side
    16,000,865.46x = 191,194,891,923,472.66
  5. Step 5: Solve for x
    x = 191,194,891,923,472.66/16,000,865.46
  6. Step 6: Final answer
    x = 11,949,034.41

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1.5x scale

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.