Finding the Fourth Proportional to 18,348,795.40, 27,523,193.10 and 7,560,543.10
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Solution
The fourth proportional to 18,348,795.40, 27,523,193.10 and 7,560,543.10 is: 11,340,814.65
Step by Step Solution
- Step 1: Write the proportion equation
18,348,795.40 : 27,523,193.10 = 7,560,543.10 : x - Step 2: Convert to fraction form
18,348,795.40/27,523,193.10 = 7,560,543.10/x - Step 3: Cross multiply
18,348,795.40x = 27,523,193.10 × 7,560,543.10 - Step 4: Simplify right side
18,348,795.40x = 208,090,287,682,172.62 - Step 5: Solve for x
x = 208,090,287,682,172.62/18,348,795.40 - Step 6: Final answer
x = 11,340,814.65
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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.