Home / 18,899,071.35-28,325,576.30-9,796,150.41

Finding the Fourth Proportional to 18,899,071.35, 28,325,576.30 and 9,796,150.41

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Solution

The fourth proportional to 18,899,071.35, 28,325,576.30 and 9,796,150.41 is: 14,682,287.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,899,071.35 : 28,325,576.30 = 9,796,150.41 : x
  2. Step 2: Convert to fraction form
    18,899,071.35/28,325,576.30 = 9,796,150.41/x
  3. Step 3: Cross multiply
    18,899,071.35x = 28,325,576.30 × 9,796,150.41
  4. Step 4: Simplify right side
    18,899,071.35x = 277,481,605,916,407.78
  5. Step 5: Solve for x
    x = 277,481,605,916,407.78/18,899,071.35
  6. Step 6: Final answer
    x = 14,682,287.86

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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.