Finding the Fourth Proportional to 11,626,948.62, 17,428,698.96 and 7,312,082.44
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Solution
The fourth proportional to 11,626,948.62, 17,428,698.96 and 7,312,082.44 is: 10,960,750.56
Step by Step Solution
- Step 1: Write the proportion equation
11,626,948.62 : 17,428,698.96 = 7,312,082.44 : x - Step 2: Convert to fraction form
11,626,948.62/17,428,698.96 = 7,312,082.44/x - Step 3: Cross multiply
11,626,948.62x = 17,428,698.96 × 7,312,082.44 - Step 4: Simplify right side
11,626,948.62x = 127,440,083,617,462.28 - Step 5: Solve for x
x = 127,440,083,617,462.28/11,626,948.62 - Step 6: Final answer
x = 10,960,750.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.