Home / 7,647,299.10-11,470,948.65-2,855,362.59

Finding the Fourth Proportional to 7,647,299.10, 11,470,948.65 and 2,855,362.59

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Solution

The fourth proportional to 7,647,299.10, 11,470,948.65 and 2,855,362.59 is: 4,283,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647,299.10 : 11,470,948.65 = 2,855,362.59 : x
  2. Step 2: Convert to fraction form
    7,647,299.10/11,470,948.65 = 2,855,362.59/x
  3. Step 3: Cross multiply
    7,647,299.10x = 11,470,948.65 × 2,855,362.59
  4. Step 4: Simplify right side
    7,647,299.10x = 32,753,717,647,021.00
  5. Step 5: Solve for x
    x = 32,753,717,647,021.00/7,647,299.10
  6. Step 6: Final answer
    x = 4,283,043.89

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Double scale
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Similar ratio
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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.