Finding the Fourth Proportional to 8,311,842.48, 12,467,762.94 and 4,212,525.06
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Solution
The fourth proportional to 8,311,842.48, 12,467,762.94 and 4,212,525.06 is: 6,318,787.19
Step by Step Solution
- Step 1: Write the proportion equation
8,311,842.48 : 12,467,762.94 = 4,212,525.06 : x - Step 2: Convert to fraction form
8,311,842.48/12,467,762.94 = 4,212,525.06/x - Step 3: Cross multiply
8,311,842.48x = 12,467,762.94 × 4,212,525.06 - Step 4: Simplify right side
8,311,842.48x = 52,520,763,826,889.27 - Step 5: Solve for x
x = 52,520,763,826,889.27/8,311,842.48 - Step 6: Final answer
x = 6,318,787.19
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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.