Finding the Fourth Proportional to 7,417,300.74, 11,129,745.10 and 3,531,149.36
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Solution
The fourth proportional to 7,417,300.74, 11,129,745.10 and 3,531,149.36 is: 5,298,530.24
Step by Step Solution
- Step 1: Write the proportion equation
7,417,300.74 : 11,129,745.10 = 3,531,149.36 : x - Step 2: Convert to fraction form
7,417,300.74/11,129,745.10 = 3,531,149.36/x - Step 3: Cross multiply
7,417,300.74x = 11,129,745.10 × 3,531,149.36 - Step 4: Simplify right side
7,417,300.74x = 39,300,792,297,046.59 - Step 5: Solve for x
x = 39,300,792,297,046.59/7,417,300.74 - Step 6: Final answer
x = 5,298,530.24
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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.