Finding the Fourth Proportional to 7,350,525.07, 10,143,307.94 and 4,087,269.74
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Solution
The fourth proportional to 7,350,525.07, 10,143,307.94 and 4,087,269.74 is: 5,640,200.56
Step by Step Solution
- Step 1: Write the proportion equation
7,350,525.07 : 10,143,307.94 = 4,087,269.74 : x - Step 2: Convert to fraction form
7,350,525.07/10,143,307.94 = 4,087,269.74/x - Step 3: Cross multiply
7,350,525.07x = 10,143,307.94 × 4,087,269.74 - Step 4: Simplify right side
7,350,525.07x = 41,458,435,611,585.66 - Step 5: Solve for x
x = 41,458,435,611,585.66/7,350,525.07 - Step 6: Final answer
x = 5,640,200.56
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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.