Home / 19,228,739.73-26,531,418.55-11,384,356.87

Finding the Fourth Proportional to 19,228,739.73, 26,531,418.55 and 11,384,356.87

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Solution

The fourth proportional to 19,228,739.73, 26,531,418.55 and 11,384,356.87 is: 15,707,900.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228,739.73 : 26,531,418.55 = 11,384,356.87 : x
  2. Step 2: Convert to fraction form
    19,228,739.73/26,531,418.55 = 11,384,356.87/x
  3. Step 3: Cross multiply
    19,228,739.73x = 26,531,418.55 × 11,384,356.87
  4. Step 4: Simplify right side
    19,228,739.73x = 302,043,137,040,537.94
  5. Step 5: Solve for x
    x = 302,043,137,040,537.94/19,228,739.73
  6. Step 6: Final answer
    x = 15,707,900.84

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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.