Home / 19,285,536.30-28,907,892.45-7,147,200.30

Finding the Fourth Proportional to 19,285,536.30, 28,907,892.45 and 7,147,200.30

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Solution

The fourth proportional to 19,285,536.30, 28,907,892.45 and 7,147,200.30 is: 10,713,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285,536.30 : 28,907,892.45 = 7,147,200.30 : x
  2. Step 2: Convert to fraction form
    19,285,536.30/28,907,892.45 = 7,147,200.30/x
  3. Step 3: Cross multiply
    19,285,536.30x = 28,907,892.45 × 7,147,200.30
  4. Step 4: Simplify right side
    19,285,536.30x = 206,610,497,591,007.72
  5. Step 5: Solve for x
    x = 206,610,497,591,007.72/19,285,536.30
  6. Step 6: Final answer
    x = 10,713,235.78

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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.