Home / 17,855,999.40-26,783,999.10-12,481,228.20

Finding the Fourth Proportional to 17,855,999.40, 26,783,999.10 and 12,481,228.20

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Solution

The fourth proportional to 17,855,999.40, 26,783,999.10 and 12,481,228.20 is: 18,721,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855,999.40 : 26,783,999.10 = 12,481,228.20 : x
  2. Step 2: Convert to fraction form
    17,855,999.40/26,783,999.10 = 12,481,228.20/x
  3. Step 3: Cross multiply
    17,855,999.40x = 26,783,999.10 × 12,481,228.20
  4. Step 4: Simplify right side
    17,855,999.40x = 334,297,204,875,694.62
  5. Step 5: Solve for x
    x = 334,297,204,875,694.62/17,855,999.40
  6. Step 6: Final answer
    x = 18,721,842.30

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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.