Home / 20,603,648.44-30,906,131.16-10,362,918.88

Finding the Fourth Proportional to 20,603,648.44, 30,906,131.16 and 10,362,918.88

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Solution

The fourth proportional to 20,603,648.44, 30,906,131.16 and 10,362,918.88 is: 15,544,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,603,648.44 : 30,906,131.16 = 10,362,918.88 : x
  2. Step 2: Convert to fraction form
    20,603,648.44/30,906,131.16 = 10,362,918.88/x
  3. Step 3: Cross multiply
    20,603,648.44x = 30,906,131.16 × 10,362,918.88
  4. Step 4: Simplify right side
    20,603,648.44x = 320,277,730,105,720.31
  5. Step 5: Solve for x
    x = 320,277,730,105,720.31/20,603,648.44
  6. Step 6: Final answer
    x = 15,544,709.52

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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.