Finding the Fourth Proportional to 8,212,495.20, 12,318,607.02 and 2,455,242.12
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Solution
The fourth proportional to 8,212,495.20, 12,318,607.02 and 2,455,242.12 is: 3,682,822.59
Step by Step Solution
- Step 1: Write the proportion equation
8,212,495.20 : 12,318,607.02 = 2,455,242.12 : x - Step 2: Convert to fraction form
8,212,495.20/12,318,607.02 = 2,455,242.12/x - Step 3: Cross multiply
8,212,495.20x = 12,318,607.02 × 2,455,242.12 - Step 4: Simplify right side
8,212,495.20x = 30,245,162,815,231.68 - Step 5: Solve for x
x = 30,245,162,815,231.68/8,212,495.20 - Step 6: Final answer
x = 3,682,822.59
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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.