Finding the Fourth Proportional to 18,336,608.23, 27,487,811.37 and 6,197,626.46
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Solution
The fourth proportional to 18,336,608.23, 27,487,811.37 and 6,197,626.46 is: 9,290,659.69
Step by Step Solution
- Step 1: Write the proportion equation
18,336,608.23 : 27,487,811.37 = 6,197,626.46 : x - Step 2: Convert to fraction form
18,336,608.23/27,487,811.37 = 6,197,626.46/x - Step 3: Cross multiply
18,336,608.23x = 27,487,811.37 × 6,197,626.46 - Step 4: Simplify right side
18,336,608.23x = 170,359,186,994,121.03 - Step 5: Solve for x
x = 170,359,186,994,121.03/18,336,608.23 - Step 6: Final answer
x = 9,290,659.69
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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.