Finding the Fourth Proportional to 12,405,657.27, 18,608,492.39 and 4,727,511.75
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Solution
The fourth proportional to 12,405,657.27, 18,608,492.39 and 4,727,511.75 is: 7,091,270.09
Step by Step Solution
- Step 1: Write the proportion equation
12,405,657.27 : 18,608,492.39 = 4,727,511.75 : x - Step 2: Convert to fraction form
12,405,657.27/18,608,492.39 = 4,727,511.75/x - Step 3: Cross multiply
12,405,657.27x = 18,608,492.39 × 4,727,511.75 - Step 4: Simplify right side
12,405,657.27x = 87,971,866,399,873.03 - Step 5: Solve for x
x = 87,971,866,399,873.03/12,405,657.27 - Step 6: Final answer
x = 7,091,270.09
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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.