Finding the Fourth Proportional to 18,703,234.80, 28,054,852.20 and 6,574,570.20
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Solution
The fourth proportional to 18,703,234.80, 28,054,852.20 and 6,574,570.20 is: 9,861,855.30
Step by Step Solution
- Step 1: Write the proportion equation
18,703,234.80 : 28,054,852.20 = 6,574,570.20 : x - Step 2: Convert to fraction form
18,703,234.80/28,054,852.20 = 6,574,570.20/x - Step 3: Cross multiply
18,703,234.80x = 28,054,852.20 × 6,574,570.20 - Step 4: Simplify right side
18,703,234.80x = 184,448,595,239,524.44 - Step 5: Solve for x
x = 184,448,595,239,524.44/18,703,234.80 - Step 6: Final answer
x = 9,861,855.30
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1.5x scale
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.