Home / 18,795,384.20-28,193,076.30-11,237,112.20

Finding the Fourth Proportional to 18,795,384.20, 28,193,076.30 and 11,237,112.20

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Solution

The fourth proportional to 18,795,384.20, 28,193,076.30 and 11,237,112.20 is: 16,855,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795,384.20 : 28,193,076.30 = 11,237,112.20 : x
  2. Step 2: Convert to fraction form
    18,795,384.20/28,193,076.30 = 11,237,112.20/x
  3. Step 3: Cross multiply
    18,795,384.20x = 28,193,076.30 × 11,237,112.20
  4. Step 4: Simplify right side
    18,795,384.20x = 316,808,761,646,260.88
  5. Step 5: Solve for x
    x = 316,808,761,646,260.88/18,795,384.20
  6. Step 6: Final answer
    x = 16,855,668.30

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Similar ratio
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1.5x scale

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.