Home / 13,946,325.57-20,858,299.83-12,420,084.15

Finding the Fourth Proportional to 13,946,325.57, 20,858,299.83 and 12,420,084.15

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Solution

The fourth proportional to 13,946,325.57, 20,858,299.83 and 12,420,084.15 is: 18,575,633.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946,325.57 : 20,858,299.83 = 12,420,084.15 : x
  2. Step 2: Convert to fraction form
    13,946,325.57/20,858,299.83 = 12,420,084.15/x
  3. Step 3: Cross multiply
    13,946,325.57x = 20,858,299.83 × 12,420,084.15
  4. Step 4: Simplify right side
    13,946,325.57x = 259,061,839,114,530.69
  5. Step 5: Solve for x
    x = 259,061,839,114,530.69/13,946,325.57
  6. Step 6: Final answer
    x = 18,575,633.98

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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.