Finding the Fourth Proportional to 23,680,302.53, 32,678,817.71 and 12,815,286.53
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Solution
The fourth proportional to 23,680,302.53, 32,678,817.71 and 12,815,286.53 is: 17,685,095.52
Step by Step Solution
- Step 1: Write the proportion equation
23,680,302.53 : 32,678,817.71 = 12,815,286.53 : x - Step 2: Convert to fraction form
23,680,302.53/32,678,817.71 = 12,815,286.53/x - Step 3: Cross multiply
23,680,302.53x = 32,678,817.71 × 12,815,286.53 - Step 4: Simplify right side
23,680,302.53x = 418,788,412,187,817.94 - Step 5: Solve for x
x = 418,788,412,187,817.94/23,680,302.53 - Step 6: Final answer
x = 17,685,095.52
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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.