Home / 14,946,745.89-20,628,032.97-9,149,358.81

Finding the Fourth Proportional to 14,946,745.89, 20,628,032.97 and 9,149,358.81

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Solution

The fourth proportional to 14,946,745.89, 20,628,032.97 and 9,149,358.81 is: 12,627,047.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,946,745.89 : 20,628,032.97 = 9,149,358.81 : x
  2. Step 2: Convert to fraction form
    14,946,745.89/20,628,032.97 = 9,149,358.81/x
  3. Step 3: Cross multiply
    14,946,745.89x = 20,628,032.97 × 9,149,358.81
  4. Step 4: Simplify right side
    14,946,745.89x = 188,733,275,187,039.97
  5. Step 5: Solve for x
    x = 188,733,275,187,039.97/14,946,745.89
  6. Step 6: Final answer
    x = 12,627,047.83

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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.