Finding the Fourth Proportional to 8,439,663.68, 12,659,495.67 and 2,049,872.97
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Solution
The fourth proportional to 8,439,663.68, 12,659,495.67 and 2,049,872.97 is: 3,074,809.50
Step by Step Solution
- Step 1: Write the proportion equation
8,439,663.68 : 12,659,495.67 = 2,049,872.97 : x - Step 2: Convert to fraction form
8,439,663.68/12,659,495.67 = 2,049,872.97/x - Step 3: Cross multiply
8,439,663.68x = 12,659,495.67 × 2,049,872.97 - Step 4: Simplify right side
8,439,663.68x = 25,950,358,035,238.15 - Step 5: Solve for x
x = 25,950,358,035,238.15/8,439,663.68 - Step 6: Final answer
x = 3,074,809.50
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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.