Finding the Fourth Proportional to 32,211,739.19, 48,311,372.87 and 12,515,832.21
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Solution
The fourth proportional to 32,211,739.19, 48,311,372.87 and 12,515,832.21 is: 18,771,325.36
Step by Step Solution
- Step 1: Write the proportion equation
32,211,739.19 : 48,311,372.87 = 12,515,832.21 : x - Step 2: Convert to fraction form
32,211,739.19/48,311,372.87 = 12,515,832.21/x - Step 3: Cross multiply
32,211,739.19x = 48,311,372.87 × 12,515,832.21 - Step 4: Simplify right side
32,211,739.19x = 604,657,036,841,189 - Step 5: Solve for x
x = 604,657,036,841,189/32,211,739.19 - Step 6: Final answer
x = 18,771,325.36
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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.