Finding the Fourth Proportional to 8,185,377.68, 12,279,327.69 and 2,792,771.09
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Solution
The fourth proportional to 8,185,377.68, 12,279,327.69 and 2,792,771.09 is: 4,189,586.93
Step by Step Solution
- Step 1: Write the proportion equation
8,185,377.68 : 12,279,327.69 = 2,792,771.09 : x - Step 2: Convert to fraction form
8,185,377.68/12,279,327.69 = 2,792,771.09/x - Step 3: Cross multiply
8,185,377.68x = 12,279,327.69 × 2,792,771.09 - Step 4: Simplify right side
8,185,377.68x = 34,293,351,356,682.88 - Step 5: Solve for x
x = 34,293,351,356,682.88/8,185,377.68 - Step 6: Final answer
x = 4,189,586.93
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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.