Finding the Fourth Proportional to 32,619,741.10, 48,929,611.65 and 13,440,625.90
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Solution
The fourth proportional to 32,619,741.10, 48,929,611.65 and 13,440,625.90 is: 20,160,938.85
Step by Step Solution
- Step 1: Write the proportion equation
32,619,741.10 : 48,929,611.65 = 13,440,625.90 : x - Step 2: Convert to fraction form
32,619,741.10/48,929,611.65 = 13,440,625.90/x - Step 3: Cross multiply
32,619,741.10x = 48,929,611.65 × 13,440,625.90 - Step 4: Simplify right side
32,619,741.10x = 657,644,605,619,931.75 - Step 5: Solve for x
x = 657,644,605,619,931.75/32,619,741.10 - Step 6: Final answer
x = 20,160,938.85
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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.