Finding the Fourth Proportional to 8,129,278.94, 12,192,731.46 and 2,370,465.09
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Solution
The fourth proportional to 8,129,278.94, 12,192,731.46 and 2,370,465.09 is: 3,555,351.53
Step by Step Solution
- Step 1: Write the proportion equation
8,129,278.94 : 12,192,731.46 = 2,370,465.09 : x - Step 2: Convert to fraction form
8,129,278.94/12,192,731.46 = 2,370,465.09/x - Step 3: Cross multiply
8,129,278.94x = 12,192,731.46 × 2,370,465.09 - Step 4: Simplify right side
8,129,278.94x = 28,902,444,277,674.73 - Step 5: Solve for x
x = 28,902,444,277,674.73/8,129,278.94 - Step 6: Final answer
x = 3,555,351.53
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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.