Finding the Fourth Proportional to 7,395,950.80, 11,088,396.60 and 3,132,629.20
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Solution
The fourth proportional to 7,395,950.80, 11,088,396.60 and 3,132,629.20 is: 4,696,601.68
Step by Step Solution
- Step 1: Write the proportion equation
7,395,950.80 : 11,088,396.60 = 3,132,629.20 : x - Step 2: Convert to fraction form
7,395,950.80/11,088,396.60 = 3,132,629.20/x - Step 3: Cross multiply
7,395,950.80x = 11,088,396.60 × 3,132,629.20 - Step 4: Simplify right side
7,395,950.80x = 34,735,834,970,340.72 - Step 5: Solve for x
x = 34,735,834,970,340.72/7,395,950.80 - Step 6: Final answer
x = 4,696,601.68
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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.