Home / 13,040,460.80-19,542,028.80-9,601,913.60

Finding the Fourth Proportional to 13,040,460.80, 19,542,028.80 and 9,601,913.60

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Solution

The fourth proportional to 13,040,460.80, 19,542,028.80 and 9,601,913.60 is: 14,389,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040,460.80 : 19,542,028.80 = 9,601,913.60 : x
  2. Step 2: Convert to fraction form
    13,040,460.80/19,542,028.80 = 9,601,913.60/x
  3. Step 3: Cross multiply
    13,040,460.80x = 19,542,028.80 × 9,601,913.60
  4. Step 4: Simplify right side
    13,040,460.80x = 187,640,872,106,311.69
  5. Step 5: Solve for x
    x = 187,640,872,106,311.69/13,040,460.80
  6. Step 6: Final answer
    x = 14,389,128.96

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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.