Finding the Fourth Proportional to 12,343,529.80, 18,515,294.70 and 3,368,081.80
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Solution
The fourth proportional to 12,343,529.80, 18,515,294.70 and 3,368,081.80 is: 5,052,122.70
Step by Step Solution
- Step 1: Write the proportion equation
12,343,529.80 : 18,515,294.70 = 3,368,081.80 : x - Step 2: Convert to fraction form
12,343,529.80/18,515,294.70 = 3,368,081.80/x - Step 3: Cross multiply
12,343,529.80x = 18,515,294.70 × 3,368,081.80 - Step 4: Simplify right side
12,343,529.80x = 62,361,027,100,706.45 - Step 5: Solve for x
x = 62,361,027,100,706.45/12,343,529.80 - Step 6: Final answer
x = 5,052,122.70
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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.