Home / 13,362,723.92-18,436,271.34-7,481,491.70

Finding the Fourth Proportional to 13,362,723.92, 18,436,271.34 and 7,481,491.70

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Solution

The fourth proportional to 13,362,723.92, 18,436,271.34 and 7,481,491.70 is: 10,322,057.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362,723.92 : 18,436,271.34 = 7,481,491.70 : x
  2. Step 2: Convert to fraction form
    13,362,723.92/18,436,271.34 = 7,481,491.70/x
  3. Step 3: Cross multiply
    13,362,723.92x = 18,436,271.34 × 7,481,491.70
  4. Step 4: Simplify right side
    13,362,723.92x = 137,930,811,009,157.88
  5. Step 5: Solve for x
    x = 137,930,811,009,157.88/13,362,723.92
  6. Step 6: Final answer
    x = 10,322,057.98

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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.