Finding the Fourth Proportional to 12,270,461.44, 18,405,739.68 and 3,750,764.80
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Solution
The fourth proportional to 12,270,461.44, 18,405,739.68 and 3,750,764.80 is: 5,626,161.73
Step by Step Solution
- Step 1: Write the proportion equation
12,270,461.44 : 18,405,739.68 = 3,750,764.80 : x - Step 2: Convert to fraction form
12,270,461.44/18,405,739.68 = 3,750,764.80/x - Step 3: Cross multiply
12,270,461.44x = 18,405,739.68 × 3,750,764.80 - Step 4: Simplify right side
12,270,461.44x = 69,035,600,509,707.26 - Step 5: Solve for x
x = 69,035,600,509,707.26/12,270,461.44 - Step 6: Final answer
x = 5,626,161.73
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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.