Home / 19,331,496.51-26,678,422.83-11,991,694.54

Finding the Fourth Proportional to 19,331,496.51, 26,678,422.83 and 11,991,694.54

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Solution

The fourth proportional to 19,331,496.51, 26,678,422.83 and 11,991,694.54 is: 16,549,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331,496.51 : 26,678,422.83 = 11,991,694.54 : x
  2. Step 2: Convert to fraction form
    19,331,496.51/26,678,422.83 = 11,991,694.54/x
  3. Step 3: Cross multiply
    19,331,496.51x = 26,678,422.83 × 11,991,694.54
  4. Step 4: Simplify right side
    19,331,496.51x = 319,919,497,322,710.44
  5. Step 5: Solve for x
    x = 319,919,497,322,710.44/19,331,496.51
  6. Step 6: Final answer
    x = 16,549,132.51

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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.