Finding the Fourth Proportional to 8,206,918.18, 11,326,953.44 and 4,771,152.12
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Solution
The fourth proportional to 8,206,918.18, 11,326,953.44 and 4,771,152.12 is: 6,585,007.52
Step by Step Solution
- Step 1: Write the proportion equation
8,206,918.18 : 11,326,953.44 = 4,771,152.12 : x - Step 2: Convert to fraction form
8,206,918.18/11,326,953.44 = 4,771,152.12/x - Step 3: Cross multiply
8,206,918.18x = 11,326,953.44 × 4,771,152.12 - Step 4: Simplify right side
8,206,918.18x = 54,042,617,918,397.29 - Step 5: Solve for x
x = 54,042,617,918,397.29/8,206,918.18 - Step 6: Final answer
x = 6,585,007.52
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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.