Finding the Fourth Proportional to 19,183,996.84, 28,796,480.16 and 8,259,596.50
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Solution
The fourth proportional to 19,183,996.84, 28,796,480.16 and 8,259,596.50 is: 12,398,214.45
Step by Step Solution
- Step 1: Write the proportion equation
19,183,996.84 : 28,796,480.16 = 8,259,596.50 : x - Step 2: Convert to fraction form
19,183,996.84/28,796,480.16 = 8,259,596.50/x - Step 3: Cross multiply
19,183,996.84x = 28,796,480.16 × 8,259,596.50 - Step 4: Simplify right side
19,183,996.84x = 237,847,306,741,855.44 - Step 5: Solve for x
x = 237,847,306,741,855.44/19,183,996.84 - Step 6: Final answer
x = 12,398,214.45
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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.