Finding the Fourth Proportional to 8,206,915.68, 11,326,949.99 and 4,771,149.62
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Solution
The fourth proportional to 8,206,915.68, 11,326,949.99 and 4,771,149.62 is: 6,585,004.06
Step by Step Solution
- Step 1: Write the proportion equation
8,206,915.68 : 11,326,949.99 = 4,771,149.62 : x - Step 2: Convert to fraction form
8,206,915.68/11,326,949.99 = 4,771,149.62/x - Step 3: Cross multiply
8,206,915.68x = 11,326,949.99 × 4,771,149.62 - Step 4: Simplify right side
8,206,915.68x = 54,042,573,077,948.82 - Step 5: Solve for x
x = 54,042,573,077,948.82/8,206,915.68 - Step 6: Final answer
x = 6,585,004.06
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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.