Finding the Fourth Proportional to 11,207,999.20, 16,811,998.80 and 5,539,295.20
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Solution
The fourth proportional to 11,207,999.20, 16,811,998.80 and 5,539,295.20 is: 8,308,942.80
Step by Step Solution
- Step 1: Write the proportion equation
11,207,999.20 : 16,811,998.80 = 5,539,295.20 : x - Step 2: Convert to fraction form
11,207,999.20/16,811,998.80 = 5,539,295.20/x - Step 3: Cross multiply
11,207,999.20x = 16,811,998.80 × 5,539,295.20 - Step 4: Simplify right side
11,207,999.20x = 93,126,624,255,245.77 - Step 5: Solve for x
x = 93,126,624,255,245.77/11,207,999.20 - Step 6: Final answer
x = 8,308,942.80
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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.