Finding the Fourth Proportional to 7,868,343.63, 11,795,513.54 and 3,074,942.91
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Solution
The fourth proportional to 7,868,343.63, 11,795,513.54 and 3,074,942.91 is: 4,609,678.02
Step by Step Solution
- Step 1: Write the proportion equation
7,868,343.63 : 11,795,513.54 = 3,074,942.91 : x - Step 2: Convert to fraction form
7,868,343.63/11,795,513.54 = 3,074,942.91/x - Step 3: Cross multiply
7,868,343.63x = 11,795,513.54 × 3,074,942.91 - Step 4: Simplify right side
7,868,343.63x = 36,270,530,714,257.29 - Step 5: Solve for x
x = 36,270,530,714,257.29/7,868,343.63 - Step 6: Final answer
x = 4,609,678.02
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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.