Finding the Fourth Proportional to 7,702,365.12, 10,629,375.84 and 4,437,378.24
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Solution
The fourth proportional to 7,702,365.12, 10,629,375.84 and 4,437,378.24 is: 6,123,646.48
Step by Step Solution
- Step 1: Write the proportion equation
7,702,365.12 : 10,629,375.84 = 4,437,378.24 : x - Step 2: Convert to fraction form
7,702,365.12/10,629,375.84 = 4,437,378.24/x - Step 3: Cross multiply
7,702,365.12x = 10,629,375.84 × 4,437,378.24 - Step 4: Simplify right side
7,702,365.12x = 47,166,561,057,197.73 - Step 5: Solve for x
x = 47,166,561,057,197.73/7,702,365.12 - Step 6: Final answer
x = 6,123,646.48
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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.