Finding the Fourth Proportional to 7,024,804.48, 9,694,678.08 and 4,308,181.12
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Solution
The fourth proportional to 7,024,804.48, 9,694,678.08 and 4,308,181.12 is: 5,945,564.63
Step by Step Solution
- Step 1: Write the proportion equation
7,024,804.48 : 9,694,678.08 = 4,308,181.12 : x - Step 2: Convert to fraction form
7,024,804.48/9,694,678.08 = 4,308,181.12/x - Step 3: Cross multiply
7,024,804.48x = 9,694,678.08 × 4,308,181.12 - Step 4: Simplify right side
7,024,804.48x = 41,766,429,068,733.85 - Step 5: Solve for x
x = 41,766,429,068,733.85/7,024,804.48 - Step 6: Final answer
x = 5,945,564.63
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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.