Home / 12,772,149.12-17,640,229.44-9,302,945.28

Finding the Fourth Proportional to 12,772,149.12, 17,640,229.44 and 9,302,945.28

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Solution

The fourth proportional to 12,772,149.12, 17,640,229.44 and 9,302,945.28 is: 12,848,745.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772,149.12 : 17,640,229.44 = 9,302,945.28 : x
  2. Step 2: Convert to fraction form
    12,772,149.12/17,640,229.44 = 9,302,945.28/x
  3. Step 3: Cross multiply
    12,772,149.12x = 17,640,229.44 × 9,302,945.28
  4. Step 4: Simplify right side
    12,772,149.12x = 164,106,089,206,965.03
  5. Step 5: Solve for x
    x = 164,106,089,206,965.03/12,772,149.12
  6. Step 6: Final answer
    x = 12,848,745.16

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1.5x scale

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.