Home / 18,939,004.92-28,412,716.14-8,836,114.68

Finding the Fourth Proportional to 18,939,004.92, 28,412,716.14 and 8,836,114.68

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Solution

The fourth proportional to 18,939,004.92, 28,412,716.14 and 8,836,114.68 is: 13,256,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,939,004.92 : 28,412,716.14 = 8,836,114.68 : x
  2. Step 2: Convert to fraction form
    18,939,004.92/28,412,716.14 = 8,836,114.68/x
  3. Step 3: Cross multiply
    18,939,004.92x = 28,412,716.14 × 8,836,114.68
  4. Step 4: Simplify right side
    18,939,004.92x = 251,058,018,183,326.94
  5. Step 5: Solve for x
    x = 251,058,018,183,326.94/18,939,004.92
  6. Step 6: Final answer
    x = 13,256,135.64

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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.