Finding the Fourth Proportional to 12,114,716.70, 18,166,754.96 and 4,536,368.04
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Solution
The fourth proportional to 12,114,716.70, 18,166,754.96 and 4,536,368.04 is: 6,802,559.95
Step by Step Solution
- Step 1: Write the proportion equation
12,114,716.70 : 18,166,754.96 = 4,536,368.04 : x - Step 2: Convert to fraction form
12,114,716.70/18,166,754.96 = 4,536,368.04/x - Step 3: Cross multiply
12,114,716.70x = 18,166,754.96 × 4,536,368.04 - Step 4: Simplify right side
12,114,716.70x = 82,411,086,591,055.48 - Step 5: Solve for x
x = 82,411,086,591,055.48/12,114,716.70 - Step 6: Final answer
x = 6,802,559.95
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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.