Home / 13,493,172.06-18,621,017.37-7,381,600.56

Finding the Fourth Proportional to 13,493,172.06, 18,621,017.37 and 7,381,600.56

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Solution

The fourth proportional to 13,493,172.06, 18,621,017.37 and 7,381,600.56 is: 10,186,849.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493,172.06 : 18,621,017.37 = 7,381,600.56 : x
  2. Step 2: Convert to fraction form
    13,493,172.06/18,621,017.37 = 7,381,600.56/x
  3. Step 3: Cross multiply
    13,493,172.06x = 18,621,017.37 × 7,381,600.56
  4. Step 4: Simplify right side
    13,493,172.06x = 137,452,912,246,161.73
  5. Step 5: Solve for x
    x = 137,452,912,246,161.73/13,493,172.06
  6. Step 6: Final answer
    x = 10,186,849.44

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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.