Home / 19,379,825.37-26,744,764.78-11,121,398.31

Finding the Fourth Proportional to 19,379,825.37, 26,744,764.78 and 11,121,398.31

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Solution

The fourth proportional to 19,379,825.37, 26,744,764.78 and 11,121,398.31 is: 15,347,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379,825.37 : 26,744,764.78 = 11,121,398.31 : x
  2. Step 2: Convert to fraction form
    19,379,825.37/26,744,764.78 = 11,121,398.31/x
  3. Step 3: Cross multiply
    19,379,825.37x = 26,744,764.78 × 11,121,398.31
  4. Step 4: Simplify right side
    19,379,825.37x = 297,439,181,797,836.06
  5. Step 5: Solve for x
    x = 297,439,181,797,836.06/19,379,825.37
  6. Step 6: Final answer
    x = 15,347,877.30

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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.