Home / 19,265,067.17-26,589,655.01-11,428,928.96

Finding the Fourth Proportional to 19,265,067.17, 26,589,655.01 and 11,428,928.96

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Solution

The fourth proportional to 19,265,067.17, 26,589,655.01 and 11,428,928.96 is: 15,774,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265,067.17 : 26,589,655.01 = 11,428,928.96 : x
  2. Step 2: Convert to fraction form
    19,265,067.17/26,589,655.01 = 11,428,928.96/x
  3. Step 3: Cross multiply
    19,265,067.17x = 26,589,655.01 × 11,428,928.96
  4. Step 4: Simplify right side
    19,265,067.17x = 303,891,277,990,105.19
  5. Step 5: Solve for x
    x = 303,891,277,990,105.19/19,265,067.17
  6. Step 6: Final answer
    x = 15,774,213.26

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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.