Home / 13,682,092.72-18,881,289.44-7,487,140.75

Finding the Fourth Proportional to 13,682,092.72, 18,881,289.44 and 7,487,140.75

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Solution

The fourth proportional to 13,682,092.72, 18,881,289.44 and 7,487,140.75 is: 10,332,255.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682,092.72 : 18,881,289.44 = 7,487,140.75 : x
  2. Step 2: Convert to fraction form
    13,682,092.72/18,881,289.44 = 7,487,140.75/x
  3. Step 3: Cross multiply
    13,682,092.72x = 18,881,289.44 × 7,487,140.75
  4. Step 4: Simplify right side
    13,682,092.72x = 141,366,871,494,129.75
  5. Step 5: Solve for x
    x = 141,366,871,494,129.75/13,682,092.72
  6. Step 6: Final answer
    x = 10,332,255.04

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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.