Home / 13,381,956.68-18,467,230.30-7,580,614.37

Finding the Fourth Proportional to 13,381,956.68, 18,467,230.30 and 7,580,614.37

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Solution

The fourth proportional to 13,381,956.68, 18,467,230.30 and 7,580,614.37 is: 10,461,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381,956.68 : 18,467,230.30 = 7,580,614.37 : x
  2. Step 2: Convert to fraction form
    13,381,956.68/18,467,230.30 = 7,580,614.37/x
  3. Step 3: Cross multiply
    13,381,956.68x = 18,467,230.30 × 7,580,614.37
  4. Step 4: Simplify right side
    13,381,956.68x = 139,992,951,274,991.72
  5. Step 5: Solve for x
    x = 139,992,951,274,991.72/13,381,956.68
  6. Step 6: Final answer
    x = 10,461,321.51

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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.