Finding the Fourth Proportional to 7,207,034.94, 9,945,709.18 and 3,943,850.36
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Solution
The fourth proportional to 7,207,034.94, 9,945,709.18 and 3,943,850.36 is: 5,442,514.03
Step by Step Solution
- Step 1: Write the proportion equation
7,207,034.94 : 9,945,709.18 = 3,943,850.36 : x - Step 2: Convert to fraction form
7,207,034.94/9,945,709.18 = 3,943,850.36/x - Step 3: Cross multiply
7,207,034.94x = 9,945,709.18 × 3,943,850.36 - Step 4: Simplify right side
7,207,034.94x = 39,224,388,748,538.91 - Step 5: Solve for x
x = 39,224,388,748,538.91/7,207,034.94 - Step 6: Final answer
x = 5,442,514.03
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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.