Finding the Fourth Proportional to 11,032,949.94, 15,225,424.11 and 6,138,640.50
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Solution
The fourth proportional to 11,032,949.94, 15,225,424.11 and 6,138,640.50 is: 8,471,297.85
Step by Step Solution
- Step 1: Write the proportion equation
11,032,949.94 : 15,225,424.11 = 6,138,640.50 : x - Step 2: Convert to fraction form
11,032,949.94/15,225,424.11 = 6,138,640.50/x - Step 3: Cross multiply
11,032,949.94x = 15,225,424.11 × 6,138,640.50 - Step 4: Simplify right side
11,032,949.94x = 93,463,405,071,322.45 - Step 5: Solve for x
x = 93,463,405,071,322.45/11,032,949.94 - Step 6: Final answer
x = 8,471,297.85
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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.