Finding the Fourth Proportional to 7,391,121.60, 11,081,152.80 and 4,029,124.80
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Solution
The fourth proportional to 7,391,121.60, 11,081,152.80 and 4,029,124.80 is: 6,040,672.85
Step by Step Solution
- Step 1: Write the proportion equation
7,391,121.60 : 11,081,152.80 = 4,029,124.80 : x - Step 2: Convert to fraction form
7,391,121.60/11,081,152.80 = 4,029,124.80/x - Step 3: Cross multiply
7,391,121.60x = 11,081,152.80 × 4,029,124.80 - Step 4: Simplify right side
7,391,121.60x = 44,647,347,559,069.44 - Step 5: Solve for x
x = 44,647,347,559,069.44/7,391,121.60 - Step 6: Final answer
x = 6,040,672.85
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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.