Finding the Fourth Proportional to 12,270,426.44, 18,405,687.18 and 3,750,729.80
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Solution
The fourth proportional to 12,270,426.44, 18,405,687.18 and 3,750,729.80 is: 5,626,109.23
Step by Step Solution
- Step 1: Write the proportion equation
12,270,426.44 : 18,405,687.18 = 3,750,729.80 : x - Step 2: Convert to fraction form
12,270,426.44/18,405,687.18 = 3,750,729.80/x - Step 3: Cross multiply
12,270,426.44x = 18,405,687.18 × 3,750,729.80 - Step 4: Simplify right side
12,270,426.44x = 69,034,759,395,503.96 - Step 5: Solve for x
x = 69,034,759,395,503.96/12,270,426.44 - Step 6: Final answer
x = 5,626,109.23
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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.