Finding the Fourth Proportional to 9,201,748.49, 12,699,357.69 and 5,531,853.14
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Solution
The fourth proportional to 9,201,748.49, 12,699,357.69 and 5,531,853.14 is: 7,634,525.30
Step by Step Solution
- Step 1: Write the proportion equation
9,201,748.49 : 12,699,357.69 = 5,531,853.14 : x - Step 2: Convert to fraction form
9,201,748.49/12,699,357.69 = 5,531,853.14/x - Step 3: Cross multiply
9,201,748.49x = 12,699,357.69 × 5,531,853.14 - Step 4: Simplify right side
9,201,748.49x = 70,250,981,649,912.85 - Step 5: Solve for x
x = 70,250,981,649,912.85/9,201,748.49 - Step 6: Final answer
x = 7,634,525.30
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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.