Finding the Fourth Proportional to 9,145,747.36, 12,620,222.00 and 5,279,514.08
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Solution
The fourth proportional to 9,145,747.36, 12,620,222.00 and 5,279,514.08 is: 7,285,204.50
Step by Step Solution
- Step 1: Write the proportion equation
9,145,747.36 : 12,620,222.00 = 5,279,514.08 : x - Step 2: Convert to fraction form
9,145,747.36/12,620,222.00 = 5,279,514.08/x - Step 3: Cross multiply
9,145,747.36x = 12,620,222.00 × 5,279,514.08 - Step 4: Simplify right side
9,145,747.36x = 66,628,639,766,676.91 - Step 5: Solve for x
x = 66,628,639,766,676.91/9,145,747.36 - Step 6: Final answer
x = 7,285,204.50
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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.