Home / 14,906,945.05-20,571,460.51-8,380,603.60

Finding the Fourth Proportional to 14,906,945.05, 20,571,460.51 and 8,380,603.60

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Solution

The fourth proportional to 14,906,945.05, 20,571,460.51 and 8,380,603.60 is: 11,565,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906,945.05 : 20,571,460.51 = 8,380,603.60 : x
  2. Step 2: Convert to fraction form
    14,906,945.05/20,571,460.51 = 8,380,603.60/x
  3. Step 3: Cross multiply
    14,906,945.05x = 20,571,460.51 × 8,380,603.60
  4. Step 4: Simplify right side
    14,906,945.05x = 172,401,256,007,363.84
  5. Step 5: Solve for x
    x = 172,401,256,007,363.84/14,906,945.05
  6. Step 6: Final answer
    x = 11,565,163.45

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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.