Finding the Fourth Proportional to 7,773,163.40, 11,643,998.70 and 4,403,433.80
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Solution
The fourth proportional to 7,773,163.40, 11,643,998.70 and 4,403,433.80 is: 6,596,230.49
Step by Step Solution
- Step 1: Write the proportion equation
7,773,163.40 : 11,643,998.70 = 4,403,433.80 : x - Step 2: Convert to fraction form
7,773,163.40/11,643,998.70 = 4,403,433.80/x - Step 3: Cross multiply
7,773,163.40x = 11,643,998.70 × 4,403,433.80 - Step 4: Simplify right side
7,773,163.40x = 51,273,577,442,736.05 - Step 5: Solve for x
x = 51,273,577,442,736.05/7,773,163.40 - Step 6: Final answer
x = 6,596,230.49
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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.