Finding the Fourth Proportional to 14,861,704.20, 22,292,556.30 and 12,470,219.70
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Solution
The fourth proportional to 14,861,704.20, 22,292,556.30 and 12,470,219.70 is: 18,705,329.55
Step by Step Solution
- Step 1: Write the proportion equation
14,861,704.20 : 22,292,556.30 = 12,470,219.70 : x - Step 2: Convert to fraction form
14,861,704.20/22,292,556.30 = 12,470,219.70/x - Step 3: Cross multiply
14,861,704.20x = 22,292,556.30 × 12,470,219.70 - Step 4: Simplify right side
14,861,704.20x = 277,993,074,735,619.09 - Step 5: Solve for x
x = 277,993,074,735,619.09/14,861,704.20 - Step 6: Final answer
x = 18,705,329.55
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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.