Finding the Fourth Proportional to 7,207,035.69, 9,945,710.01 and 3,943,851.09
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Solution
The fourth proportional to 7,207,035.69, 9,945,710.01 and 3,943,851.09 is: 5,442,514.92
Step by Step Solution
- Step 1: Write the proportion equation
7,207,035.69 : 9,945,710.01 = 3,943,851.09 : x - Step 2: Convert to fraction form
7,207,035.69/9,945,710.01 = 3,943,851.09/x - Step 3: Cross multiply
7,207,035.69x = 9,945,710.01 × 3,943,851.09 - Step 4: Simplify right side
7,207,035.69x = 39,224,399,263,762.41 - Step 5: Solve for x
x = 39,224,399,263,762.41/7,207,035.69 - Step 6: Final answer
x = 5,442,514.92
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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.