Finding the Fourth Proportional to 7,469,079.60, 11,196,972.62 and 2,919,093.68
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Solution
The fourth proportional to 7,469,079.60, 11,196,972.62 and 2,919,093.68 is: 4,376,042.80
Step by Step Solution
- Step 1: Write the proportion equation
7,469,079.60 : 11,196,972.62 = 2,919,093.68 : x - Step 2: Convert to fraction form
7,469,079.60/11,196,972.62 = 2,919,093.68/x - Step 3: Cross multiply
7,469,079.60x = 11,196,972.62 × 2,919,093.68 - Step 4: Simplify right side
7,469,079.60x = 32,685,012,010,175.04 - Step 5: Solve for x
x = 32,685,012,010,175.04/7,469,079.60 - Step 6: Final answer
x = 4,376,042.80
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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.