Finding the Fourth Proportional to 8,579,933.68, 12,869,896.42 and 2,190,183.98
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Solution
The fourth proportional to 8,579,933.68, 12,869,896.42 and 2,190,183.98 is: 3,285,274.93
Step by Step Solution
- Step 1: Write the proportion equation
8,579,933.68 : 12,869,896.42 = 2,190,183.98 : x - Step 2: Convert to fraction form
8,579,933.68/12,869,896.42 = 2,190,183.98/x - Step 3: Cross multiply
8,579,933.68x = 12,869,896.42 × 2,190,183.98 - Step 4: Simplify right side
8,579,933.68x = 28,187,441,013,402.94 - Step 5: Solve for x
x = 28,187,441,013,402.94/8,579,933.68 - Step 6: Final answer
x = 3,285,274.93
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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.