Finding the Fourth Proportional to 32,371,231.80, 48,556,847.70 and 8,436,703.80
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Solution
The fourth proportional to 32,371,231.80, 48,556,847.70 and 8,436,703.80 is: 12,655,055.70
Step by Step Solution
- Step 1: Write the proportion equation
32,371,231.80 : 48,556,847.70 = 8,436,703.80 : x - Step 2: Convert to fraction form
32,371,231.80/48,556,847.70 = 8,436,703.80/x - Step 3: Cross multiply
32,371,231.80x = 48,556,847.70 × 8,436,703.80 - Step 4: Simplify right side
32,371,231.80x = 409,659,741,506,611.31 - Step 5: Solve for x
x = 409,659,741,506,611.31/32,371,231.80 - Step 6: Final answer
x = 12,655,055.70
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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.