Finding the Fourth Proportional to 18,595,192.68, 27,876,812.58 and 6,463,080.72
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Solution
The fourth proportional to 18,595,192.68, 27,876,812.58 and 6,463,080.72 is: 9,689,068.19
Step by Step Solution
- Step 1: Write the proportion equation
18,595,192.68 : 27,876,812.58 = 6,463,080.72 : x - Step 2: Convert to fraction form
18,595,192.68/27,876,812.58 = 6,463,080.72/x - Step 3: Cross multiply
18,595,192.68x = 27,876,812.58 × 6,463,080.72 - Step 4: Simplify right side
18,595,192.68x = 180,170,089,920,851.44 - Step 5: Solve for x
x = 180,170,089,920,851.44/18,595,192.68 - Step 6: Final answer
x = 9,689,068.19
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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.