Finding the Fourth Proportional to 7,487,293.98, 11,232,181.62 and 2,628,340.08
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Solution
The fourth proportional to 7,487,293.98, 11,232,181.62 and 2,628,340.08 is: 3,942,945.64
Step by Step Solution
- Step 1: Write the proportion equation
7,487,293.98 : 11,232,181.62 = 2,628,340.08 : x - Step 2: Convert to fraction form
7,487,293.98/11,232,181.62 = 2,628,340.08/x - Step 3: Cross multiply
7,487,293.98x = 11,232,181.62 × 2,628,340.08 - Step 4: Simplify right side
7,487,293.98x = 29,521,993,137,685.33 - Step 5: Solve for x
x = 29,521,993,137,685.33/7,487,293.98 - Step 6: Final answer
x = 3,942,945.64
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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.