Home / 13,589,649.65-18,753,479.23-7,394,487.37

Finding the Fourth Proportional to 13,589,649.65, 18,753,479.23 and 7,394,487.37

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Solution

The fourth proportional to 13,589,649.65, 18,753,479.23 and 7,394,487.37 is: 10,204,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589,649.65 : 18,753,479.23 = 7,394,487.37 : x
  2. Step 2: Convert to fraction form
    13,589,649.65/18,753,479.23 = 7,394,487.37/x
  3. Step 3: Cross multiply
    13,589,649.65x = 18,753,479.23 × 7,394,487.37
  4. Step 4: Simplify right side
    13,589,649.65x = 138,672,365,309,792.33
  5. Step 5: Solve for x
    x = 138,672,365,309,792.33/13,589,649.65
  6. Step 6: Final answer
    x = 10,204,263.46

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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.