Finding the Fourth Proportional to 7,706,759.58, 11,556,329.13 and 4,512,689.82
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Solution
The fourth proportional to 7,706,759.58, 11,556,329.13 and 4,512,689.82 is: 6,766,803.65
Step by Step Solution
- Step 1: Write the proportion equation
7,706,759.58 : 11,556,329.13 = 4,512,689.82 : x - Step 2: Convert to fraction form
7,706,759.58/11,556,329.13 = 4,512,689.82/x - Step 3: Cross multiply
7,706,759.58x = 11,556,329.13 × 4,512,689.82 - Step 4: Simplify right side
7,706,759.58x = 52,150,128,821,520.46 - Step 5: Solve for x
x = 52,150,128,821,520.46/7,706,759.58 - Step 6: Final answer
x = 6,766,803.65
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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.