Finding the Fourth Proportional to 12,049,845.68, 18,074,729.09 and 4,373,480.29
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Solution
The fourth proportional to 12,049,845.68, 18,074,729.09 and 4,373,480.29 is: 6,560,206.12
Step by Step Solution
- Step 1: Write the proportion equation
12,049,845.68 : 18,074,729.09 = 4,373,480.29 : x - Step 2: Convert to fraction form
12,049,845.68/18,074,729.09 = 4,373,480.29/x - Step 3: Cross multiply
12,049,845.68x = 18,074,729.09 × 4,373,480.29 - Step 4: Simplify right side
12,049,845.68x = 79,049,471,422,204.64 - Step 5: Solve for x
x = 79,049,471,422,204.64/12,049,845.68 - Step 6: Final answer
x = 6,560,206.12
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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.