Finding the Fourth Proportional to 7,411,688.08, 11,118,429.09 and 2,618,396.44
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Solution
The fourth proportional to 7,411,688.08, 11,118,429.09 and 2,618,396.44 is: 3,927,911.54
Step by Step Solution
- Step 1: Write the proportion equation
7,411,688.08 : 11,118,429.09 = 2,618,396.44 : x - Step 2: Convert to fraction form
7,411,688.08/11,118,429.09 = 2,618,396.44/x - Step 3: Cross multiply
7,411,688.08x = 11,118,429.09 × 2,618,396.44 - Step 4: Simplify right side
7,411,688.08x = 29,112,455,147,648.44 - Step 5: Solve for x
x = 29,112,455,147,648.44/7,411,688.08 - Step 6: Final answer
x = 3,927,911.54
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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.