Finding the Fourth Proportional to 21,084,648.17, 31,620,767.99 and 9,563,450.09
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Solution
The fourth proportional to 21,084,648.17, 31,620,767.99 and 9,563,450.09 is: 14,342,361.03
Step by Step Solution
- Step 1: Write the proportion equation
21,084,648.17 : 31,620,767.99 = 9,563,450.09 : x - Step 2: Convert to fraction form
21,084,648.17/31,620,767.99 = 9,563,450.09/x - Step 3: Cross multiply
21,084,648.17x = 31,620,767.99 × 9,563,450.09 - Step 4: Simplify right side
21,084,648.17x = 302,403,636,273,913.56 - Step 5: Solve for x
x = 302,403,636,273,913.56/21,084,648.17 - Step 6: Final answer
x = 14,342,361.03
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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.