Finding the Fourth Proportional to 32,295,861.36, 48,431,719.80 and 13,120,157.88
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Solution
The fourth proportional to 32,295,861.36, 48,431,719.80 and 13,120,157.88 is: 19,675,332.49
Step by Step Solution
- Step 1: Write the proportion equation
32,295,861.36 : 48,431,719.80 = 13,120,157.88 : x - Step 2: Convert to fraction form
32,295,861.36/48,431,719.80 = 13,120,157.88/x - Step 3: Cross multiply
32,295,861.36x = 48,431,719.80 × 13,120,157.88 - Step 4: Simplify right side
32,295,861.36x = 635,431,810,175,922 - Step 5: Solve for x
x = 635,431,810,175,922/32,295,861.36 - Step 6: Final answer
x = 19,675,332.49
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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.