Home / 12,764,546.92-19,047,263-11,388,863.44

Finding the Fourth Proportional to 12,764,546.92, 19,047,263 and 11,388,863.44

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Solution

The fourth proportional to 12,764,546.92, 19,047,263 and 11,388,863.44 is: 16,994,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764,546.92 : 19,047,263 = 11,388,863.44 : x
  2. Step 2: Convert to fraction form
    12,764,546.92/19,047,263 = 11,388,863.44/x
  3. Step 3: Cross multiply
    12,764,546.92x = 19,047,263 × 11,388,863.44
  4. Step 4: Simplify right side
    12,764,546.92x = 216,926,677,212,764.72
  5. Step 5: Solve for x
    x = 216,926,677,212,764.72/12,764,546.92
  6. Step 6: Final answer
    x = 16,994,467.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.