Finding the Fourth Proportional to 7,374,008.24, 10,175,611.74 and 4,110,678.62
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Solution
The fourth proportional to 7,374,008.24, 10,175,611.74 and 4,110,678.62 is: 5,672,446.82
Step by Step Solution
- Step 1: Write the proportion equation
7,374,008.24 : 10,175,611.74 = 4,110,678.62 : x - Step 2: Convert to fraction form
7,374,008.24/10,175,611.74 = 4,110,678.62/x - Step 3: Cross multiply
7,374,008.24x = 10,175,611.74 × 4,110,678.62 - Step 4: Simplify right side
7,374,008.24x = 41,828,669,625,039 - Step 5: Solve for x
x = 41,828,669,625,039/7,374,008.24 - Step 6: Final answer
x = 5,672,446.82
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1.5x scale
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.