Finding the Fourth Proportional to 7,557,552.54, 11,335,159.98 and 2,764,120.77
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Solution
The fourth proportional to 7,557,552.54, 11,335,159.98 and 2,764,120.77 is: 4,145,753.66
Step by Step Solution
- Step 1: Write the proportion equation
7,557,552.54 : 11,335,159.98 = 2,764,120.77 : x - Step 2: Convert to fraction form
7,557,552.54/11,335,159.98 = 2,764,120.77/x - Step 3: Cross multiply
7,557,552.54x = 11,335,159.98 × 2,764,120.77 - Step 4: Simplify right side
7,557,552.54x = 31,331,751,131,990.79 - Step 5: Solve for x
x = 31,331,751,131,990.79/7,557,552.54 - Step 6: Final answer
x = 4,145,753.66
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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.