Finding the Fourth Proportional to 8,206,918.30, 11,326,953.62 and 4,771,152.24
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Solution
The fourth proportional to 8,206,918.30, 11,326,953.62 and 4,771,152.24 is: 6,585,007.69
Step by Step Solution
- Step 1: Write the proportion equation
8,206,918.30 : 11,326,953.62 = 4,771,152.24 : x - Step 2: Convert to fraction form
8,206,918.30/11,326,953.62 = 4,771,152.24/x - Step 3: Cross multiply
8,206,918.30x = 11,326,953.62 × 4,771,152.24 - Step 4: Simplify right side
8,206,918.30x = 54,042,620,136,439.11 - Step 5: Solve for x
x = 54,042,620,136,439.11/8,206,918.30 - Step 6: Final answer
x = 6,585,007.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.