Finding the Fourth Proportional to 21,723,195.24, 29,974,680.24 and 12,554,068.68
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Solution
The fourth proportional to 21,723,195.24, 29,974,680.24 and 12,554,068.68 is: 17,322,690.80
Step by Step Solution
- Step 1: Write the proportion equation
21,723,195.24 : 29,974,680.24 = 12,554,068.68 : x - Step 2: Convert to fraction form
21,723,195.24/29,974,680.24 = 12,554,068.68/x - Step 3: Cross multiply
21,723,195.24x = 29,974,680.24 × 12,554,068.68 - Step 4: Simplify right side
21,723,195.24x = 376,304,194,393,998.88 - Step 5: Solve for x
x = 376,304,194,393,998.88/21,723,195.24 - Step 6: Final answer
x = 17,322,690.80
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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.