Home / 13,206,449.21-18,203,837.94-10,411,014.87

Finding the Fourth Proportional to 13,206,449.21, 18,203,837.94 and 10,411,014.87

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Solution

The fourth proportional to 13,206,449.21, 18,203,837.94 and 10,411,014.87 is: 14,350,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,449.21 : 18,203,837.94 = 10,411,014.87 : x
  2. Step 2: Convert to fraction form
    13,206,449.21/18,203,837.94 = 10,411,014.87/x
  3. Step 3: Cross multiply
    13,206,449.21x = 18,203,837.94 × 10,411,014.87
  4. Step 4: Simplify right side
    13,206,449.21x = 189,520,427,484,410.16
  5. Step 5: Solve for x
    x = 189,520,427,484,410.16/13,206,449.21
  6. Step 6: Final answer
    x = 14,350,596.78

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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.