Finding the Fourth Proportional to 39,190,399.21, 54,084,596.84 and 21,787,035.27
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Solution
The fourth proportional to 39,190,399.21, 54,084,596.84 and 21,787,035.27 is: 30,067,134.88
Step by Step Solution
- Step 1: Write the proportion equation
39,190,399.21 : 54,084,596.84 = 21,787,035.27 : x - Step 2: Convert to fraction form
39,190,399.21/54,084,596.84 = 21,787,035.27/x - Step 3: Cross multiply
39,190,399.21x = 54,084,596.84 × 21,787,035.27 - Step 4: Simplify right side
39,190,399.21x = 1,178,343,018,916,810.50 - Step 5: Solve for x
x = 1,178,343,018,916,810.50/39,190,399.21 - Step 6: Final answer
x = 30,067,134.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.