Finding the Fourth Proportional to 7,249,513.24, 10,004,116.68 and 3,986,324.56
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Solution
The fourth proportional to 7,249,513.24, 10,004,116.68 and 3,986,324.56 is: 5,501,011.54
Step by Step Solution
- Step 1: Write the proportion equation
7,249,513.24 : 10,004,116.68 = 3,986,324.56 : x - Step 2: Convert to fraction form
7,249,513.24/10,004,116.68 = 3,986,324.56/x - Step 3: Cross multiply
7,249,513.24x = 10,004,116.68 × 3,986,324.56 - Step 4: Simplify right side
7,249,513.24x = 39,879,656,022,589.66 - Step 5: Solve for x
x = 39,879,656,022,589.66/7,249,513.24 - Step 6: Final answer
x = 5,501,011.54
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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.