Home / 13,295,171.10-19,939,991.85-5,722,383.90

Finding the Fourth Proportional to 13,295,171.10, 19,939,991.85 and 5,722,383.90

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Solution

The fourth proportional to 13,295,171.10, 19,939,991.85 and 5,722,383.90 is: 8,582,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295,171.10 : 19,939,991.85 = 5,722,383.90 : x
  2. Step 2: Convert to fraction form
    13,295,171.10/19,939,991.85 = 5,722,383.90/x
  3. Step 3: Cross multiply
    13,295,171.10x = 19,939,991.85 × 5,722,383.90
  4. Step 4: Simplify right side
    13,295,171.10x = 114,104,288,328,571.23
  5. Step 5: Solve for x
    x = 114,104,288,328,571.23/13,295,171.10
  6. Step 6: Final answer
    x = 8,582,385.85

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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.