Finding the Fourth Proportional to 13,192,695.20, 19,782,044.40 and 4,673,309.60
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Solution
The fourth proportional to 13,192,695.20, 19,782,044.40 and 4,673,309.60 is: 7,007,485.32
Step by Step Solution
- Step 1: Write the proportion equation
13,192,695.20 : 19,782,044.40 = 4,673,309.60 : x - Step 2: Convert to fraction form
13,192,695.20/19,782,044.40 = 4,673,309.60/x - Step 3: Cross multiply
13,192,695.20x = 19,782,044.40 × 4,673,309.60 - Step 4: Simplify right side
13,192,695.20x = 92,447,618,002,146.22 - Step 5: Solve for x
x = 92,447,618,002,146.22/13,192,695.20 - Step 6: Final answer
x = 7,007,485.32
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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.