Home / 12,804,974.60-19,170,137.10-12,431,726.60

Finding the Fourth Proportional to 12,804,974.60, 19,170,137.10 and 12,431,726.60

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Solution

The fourth proportional to 12,804,974.60, 19,170,137.10 and 12,431,726.60 is: 18,611,353.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804,974.60 : 19,170,137.10 = 12,431,726.60 : x
  2. Step 2: Convert to fraction form
    12,804,974.60/19,170,137.10 = 12,431,726.60/x
  3. Step 3: Cross multiply
    12,804,974.60x = 19,170,137.10 × 12,431,726.60
  4. Step 4: Simplify right side
    12,804,974.60x = 238,317,903,311,716.88
  5. Step 5: Solve for x
    x = 238,317,903,311,716.88/12,804,974.60
  6. Step 6: Final answer
    x = 18,611,353.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.