Home / 8,647,428.31-11,933,453.72-4,727,201.65

Finding the Fourth Proportional to 8,647,428.31, 11,933,453.72 and 4,727,201.65

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Solution

The fourth proportional to 8,647,428.31, 11,933,453.72 and 4,727,201.65 is: 6,523,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647,428.31 : 11,933,453.72 = 4,727,201.65 : x
  2. Step 2: Convert to fraction form
    8,647,428.31/11,933,453.72 = 4,727,201.65/x
  3. Step 3: Cross multiply
    8,647,428.31x = 11,933,453.72 × 4,727,201.65
  4. Step 4: Simplify right side
    8,647,428.31x = 56,411,842,097,367.01
  5. Step 5: Solve for x
    x = 56,411,842,097,367.01/8,647,428.31
  6. Step 6: Final answer
    x = 6,523,539.73

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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.