Finding the Fourth Proportional to 11,081,899.20, 16,594,855.20 and 7,274,769.60
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Solution
The fourth proportional to 11,081,899.20, 16,594,855.20 and 7,274,769.60 is: 10,893,777.86
Step by Step Solution
- Step 1: Write the proportion equation
11,081,899.20 : 16,594,855.20 = 7,274,769.60 : x - Step 2: Convert to fraction form
11,081,899.20/16,594,855.20 = 7,274,769.60/x - Step 3: Cross multiply
11,081,899.20x = 16,594,855.20 × 7,274,769.60 - Step 4: Simplify right side
11,081,899.20x = 120,723,748,125,361.91 - Step 5: Solve for x
x = 120,723,748,125,361.91/11,081,899.20 - Step 6: Final answer
x = 10,893,777.86
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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.