Finding the Fourth Proportional to 11,021,014.05, 16,515,821.38 and 8,119,563.07
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Solution
The fourth proportional to 11,021,014.05, 16,515,821.38 and 8,119,563.07 is: 12,167,778.09
Step by Step Solution
- Step 1: Write the proportion equation
11,021,014.05 : 16,515,821.38 = 8,119,563.07 : x - Step 2: Convert to fraction form
11,021,014.05/16,515,821.38 = 8,119,563.07/x - Step 3: Cross multiply
11,021,014.05x = 16,515,821.38 × 8,119,563.07 - Step 4: Simplify right side
11,021,014.05x = 134,101,253,332,367.31 - Step 5: Solve for x
x = 134,101,253,332,367.31/11,021,014.05 - Step 6: Final answer
x = 12,167,778.09
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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.