Finding the Fourth Proportional to 12,227,836.93, 18,341,743.48 and 3,129,919.97
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Solution
The fourth proportional to 12,227,836.93, 18,341,743.48 and 3,129,919.97 is: 4,694,876.90
Step by Step Solution
- Step 1: Write the proportion equation
12,227,836.93 : 18,341,743.48 = 3,129,919.97 : x - Step 2: Convert to fraction form
12,227,836.93/18,341,743.48 = 3,129,919.97/x - Step 3: Cross multiply
12,227,836.93x = 18,341,743.48 × 3,129,919.97 - Step 4: Simplify right side
12,227,836.93x = 57,408,189,103,135.77 - Step 5: Solve for x
x = 57,408,189,103,135.77/12,227,836.93 - Step 6: Final answer
x = 4,694,876.90
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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.