Finding the Fourth Proportional to 21,062,016, 31,593,024 and 5,105,664
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Solution
The fourth proportional to 21,062,016, 31,593,024 and 5,105,664 is: 7,658,496
Step by Step Solution
- Step 1: Write the proportion equation
21,062,016 : 31,593,024 = 5,105,664 : x - Step 2: Convert to fraction form
21,062,016/31,593,024 = 5,105,664/x - Step 3: Cross multiply
21,062,016x = 31,593,024 × 5,105,664 - Step 4: Simplify right side
21,062,016x = 161,303,365,287,936 - Step 5: Solve for x
x = 161,303,365,287,936/21,062,016 - Step 6: Final answer
x = 7,658,496
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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.