Home / 12,091,406.13-16,686,067.37-6,658,859.25

Finding the Fourth Proportional to 12,091,406.13, 16,686,067.37 and 6,658,859.25

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Solution

The fourth proportional to 12,091,406.13, 16,686,067.37 and 6,658,859.25 is: 9,189,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091,406.13 : 16,686,067.37 = 6,658,859.25 : x
  2. Step 2: Convert to fraction form
    12,091,406.13/16,686,067.37 = 6,658,859.25/x
  3. Step 3: Cross multiply
    12,091,406.13x = 16,686,067.37 × 6,658,859.25
  4. Step 4: Simplify right side
    12,091,406.13x = 111,110,174,019,553.38
  5. Step 5: Solve for x
    x = 111,110,174,019,553.38/12,091,406.13
  6. Step 6: Final answer
    x = 9,189,185.51

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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.