Home / 19,903,081.06-27,474,726.54-13,380,493.56

Finding the Fourth Proportional to 19,903,081.06, 27,474,726.54 and 13,380,493.56

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Solution

The fourth proportional to 19,903,081.06, 27,474,726.54 and 13,380,493.56 is: 18,470,778.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903,081.06 : 27,474,726.54 = 13,380,493.56 : x
  2. Step 2: Convert to fraction form
    19,903,081.06/27,474,726.54 = 13,380,493.56/x
  3. Step 3: Cross multiply
    19,903,081.06x = 27,474,726.54 × 13,380,493.56
  4. Step 4: Simplify right side
    19,903,081.06x = 367,625,401,531,231.06
  5. Step 5: Solve for x
    x = 367,625,401,531,231.06/19,903,081.06
  6. Step 6: Final answer
    x = 18,470,778.49

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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.