Home / 13,382,887.70-20,074,331.55-9,631,745.30

Finding the Fourth Proportional to 13,382,887.70, 20,074,331.55 and 9,631,745.30

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Solution

The fourth proportional to 13,382,887.70, 20,074,331.55 and 9,631,745.30 is: 14,447,617.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382,887.70 : 20,074,331.55 = 9,631,745.30 : x
  2. Step 2: Convert to fraction form
    13,382,887.70/20,074,331.55 = 9,631,745.30/x
  3. Step 3: Cross multiply
    13,382,887.70x = 20,074,331.55 × 9,631,745.30
  4. Step 4: Simplify right side
    13,382,887.70x = 193,350,848,557,354.25
  5. Step 5: Solve for x
    x = 193,350,848,557,354.25/13,382,887.70
  6. Step 6: Final answer
    x = 14,447,617.95

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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.