Finding the Fourth Proportional to 9,537,473.36, 13,161,530.76 and 5,245,121.36
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Solution
The fourth proportional to 9,537,473.36, 13,161,530.76 and 5,245,121.36 is: 7,238,167.12
Step by Step Solution
- Step 1: Write the proportion equation
9,537,473.36 : 13,161,530.76 = 5,245,121.36 : x - Step 2: Convert to fraction form
9,537,473.36/13,161,530.76 = 5,245,121.36/x - Step 3: Cross multiply
9,537,473.36x = 13,161,530.76 × 5,245,121.36 - Step 4: Simplify right side
9,537,473.36x = 69,033,826,119,573.04 - Step 5: Solve for x
x = 69,033,826,119,573.04/9,537,473.36 - Step 6: Final answer
x = 7,238,167.12
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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.