Finding the Fourth Proportional to 11,088,249.80, 16,632,374.70 and 5,412,115.40
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Solution
The fourth proportional to 11,088,249.80, 16,632,374.70 and 5,412,115.40 is: 8,118,173.10
Step by Step Solution
- Step 1: Write the proportion equation
11,088,249.80 : 16,632,374.70 = 5,412,115.40 : x - Step 2: Convert to fraction form
11,088,249.80/16,632,374.70 = 5,412,115.40/x - Step 3: Cross multiply
11,088,249.80x = 16,632,374.70 × 5,412,115.40 - Step 4: Simplify right side
11,088,249.80x = 90,016,331,252,440.38 - Step 5: Solve for x
x = 90,016,331,252,440.38/11,088,249.80 - Step 6: Final answer
x = 8,118,173.10
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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.