Finding the Fourth Proportional to 12,302,480.70, 18,453,623.85 and 3,204,560.70
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Solution
The fourth proportional to 12,302,480.70, 18,453,623.85 and 3,204,560.70 is: 4,806,815.73
Step by Step Solution
- Step 1: Write the proportion equation
12,302,480.70 : 18,453,623.85 = 3,204,560.70 : x - Step 2: Convert to fraction form
12,302,480.70/18,453,623.85 = 3,204,560.70/x - Step 3: Cross multiply
12,302,480.70x = 18,453,623.85 × 3,204,560.70 - Step 4: Simplify right side
12,302,480.70x = 59,135,757,762,292.70 - Step 5: Solve for x
x = 59,135,757,762,292.70/12,302,480.70 - Step 6: Final answer
x = 4,806,815.73
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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.