Home / 19,243,579.72-26,555,928.45-10,422,811.57

Finding the Fourth Proportional to 19,243,579.72, 26,555,928.45 and 10,422,811.57

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Solution

The fourth proportional to 19,243,579.72, 26,555,928.45 and 10,422,811.57 is: 14,383,365.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243,579.72 : 26,555,928.45 = 10,422,811.57 : x
  2. Step 2: Convert to fraction form
    19,243,579.72/26,555,928.45 = 10,422,811.57/x
  3. Step 3: Cross multiply
    19,243,579.72x = 26,555,928.45 × 10,422,811.57
  4. Step 4: Simplify right side
    19,243,579.72x = 276,787,438,187,515.28
  5. Step 5: Solve for x
    x = 276,787,438,187,515.28/19,243,579.72
  6. Step 6: Final answer
    x = 14,383,365.37

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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.