Finding the Fourth Proportional to 8,434,934.94, 11,640,266.12 and 4,567,456.09
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Solution
The fourth proportional to 8,434,934.94, 11,640,266.12 and 4,567,456.09 is: 6,303,119.68
Step by Step Solution
- Step 1: Write the proportion equation
8,434,934.94 : 11,640,266.12 = 4,567,456.09 : x - Step 2: Convert to fraction form
8,434,934.94/11,640,266.12 = 4,567,456.09/x - Step 3: Cross multiply
8,434,934.94x = 11,640,266.12 × 4,567,456.09 - Step 4: Simplify right side
8,434,934.94x = 53,166,404,379,014.66 - Step 5: Solve for x
x = 53,166,404,379,014.66/8,434,934.94 - Step 6: Final answer
x = 6,303,119.68
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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.