Finding the Fourth Proportional to 8,135,660.09, 11,227,348.73 and 4,464,918.20
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Solution
The fourth proportional to 8,135,660.09, 11,227,348.73 and 4,464,918.20 is: 6,161,662.75
Step by Step Solution
- Step 1: Write the proportion equation
8,135,660.09 : 11,227,348.73 = 4,464,918.20 : x - Step 2: Convert to fraction form
8,135,660.09/11,227,348.73 = 4,464,918.20/x - Step 3: Cross multiply
8,135,660.09x = 11,227,348.73 × 4,464,918.20 - Step 4: Simplify right side
8,135,660.09x = 50,129,193,721,554.55 - Step 5: Solve for x
x = 50,129,193,721,554.55/8,135,660.09 - Step 6: Final answer
x = 6,161,662.75
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1.5x scale
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.