Finding the Fourth Proportional to 21,279,625.53, 31,916,445.68 and 6,902,819.67
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Solution
The fourth proportional to 21,279,625.53, 31,916,445.68 and 6,902,819.67 is: 10,353,258.74
Step by Step Solution
- Step 1: Write the proportion equation
21,279,625.53 : 31,916,445.68 = 6,902,819.67 : x - Step 2: Convert to fraction form
21,279,625.53/31,916,445.68 = 6,902,819.67/x - Step 3: Cross multiply
21,279,625.53x = 31,916,445.68 × 6,902,819.67 - Step 4: Simplify right side
21,279,625.53x = 220,313,469,001,876.44 - Step 5: Solve for x
x = 220,313,469,001,876.44/21,279,625.53 - Step 6: Final answer
x = 10,353,258.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.