Finding the Fourth Proportional to 8,436,193.13, 11,629,405.38 and 6,622,207.85
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Solution
The fourth proportional to 8,436,193.13, 11,629,405.38 and 6,622,207.85 is: 9,128,802.34
Step by Step Solution
- Step 1: Write the proportion equation
8,436,193.13 : 11,629,405.38 = 6,622,207.85 : x - Step 2: Convert to fraction form
8,436,193.13/11,629,405.38 = 6,622,207.85/x - Step 3: Cross multiply
8,436,193.13x = 11,629,405.38 × 6,622,207.85 - Step 4: Simplify right side
8,436,193.13x = 77,012,339,598,268.23 - Step 5: Solve for x
x = 77,012,339,598,268.23/8,436,193.13 - Step 6: Final answer
x = 9,128,802.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.