Finding the Fourth Proportional to 7,190,295.00, 9,916,035.46 and 5,620,634.20
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Solution
The fourth proportional to 7,190,295.00, 9,916,035.46 and 5,620,634.20 is: 7,751,338.17
Step by Step Solution
- Step 1: Write the proportion equation
7,190,295.00 : 9,916,035.46 = 5,620,634.20 : x - Step 2: Convert to fraction form
7,190,295.00/9,916,035.46 = 5,620,634.20/x - Step 3: Cross multiply
7,190,295.00x = 9,916,035.46 × 5,620,634.20 - Step 4: Simplify right side
7,190,295.00x = 55,734,408,033,232.19 - Step 5: Solve for x
x = 55,734,408,033,232.19/7,190,295.00 - Step 6: Final answer
x = 7,751,338.17
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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.