Finding the Fourth Proportional to 21,600,558.96, 32,400,869.64 and 8,821,063.62
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Solution
The fourth proportional to 21,600,558.96, 32,400,869.64 and 8,821,063.62 is: 13,231,608.17
Step by Step Solution
- Step 1: Write the proportion equation
21,600,558.96 : 32,400,869.64 = 8,821,063.62 : x - Step 2: Convert to fraction form
21,600,558.96/32,400,869.64 = 8,821,063.62/x - Step 3: Cross multiply
21,600,558.96x = 32,400,869.64 × 8,821,063.62 - Step 4: Simplify right side
21,600,558.96x = 285,810,132,437,766.50 - Step 5: Solve for x
x = 285,810,132,437,766.50/21,600,558.96 - Step 6: Final answer
x = 13,231,608.17
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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.