Home / 12,505,322.39-17,259,157.26-7,205,986.26

Finding the Fourth Proportional to 12,505,322.39, 17,259,157.26 and 7,205,986.26

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Solution

The fourth proportional to 12,505,322.39, 17,259,157.26 and 7,205,986.26 is: 9,945,305.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505,322.39 : 17,259,157.26 = 7,205,986.26 : x
  2. Step 2: Convert to fraction form
    12,505,322.39/17,259,157.26 = 7,205,986.26/x
  3. Step 3: Cross multiply
    12,505,322.39x = 17,259,157.26 × 7,205,986.26
  4. Step 4: Simplify right side
    12,505,322.39x = 124,369,250,074,739.25
  5. Step 5: Solve for x
    x = 124,369,250,074,739.25/12,505,322.39
  6. Step 6: Final answer
    x = 9,945,305.39

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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.