Finding the Fourth Proportional to 7,382,819.70, 11,074,229.55 and 4,347,069.30
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Solution
The fourth proportional to 7,382,819.70, 11,074,229.55 and 4,347,069.30 is: 6,520,603.95
Step by Step Solution
- Step 1: Write the proportion equation
7,382,819.70 : 11,074,229.55 = 4,347,069.30 : x - Step 2: Convert to fraction form
7,382,819.70/11,074,229.55 = 4,347,069.30/x - Step 3: Cross multiply
7,382,819.70x = 11,074,229.55 × 4,347,069.30 - Step 4: Simplify right side
7,382,819.70x = 48,140,443,297,957.81 - Step 5: Solve for x
x = 48,140,443,297,957.81/7,382,819.70 - Step 6: Final answer
x = 6,520,603.95
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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.