Finding the Fourth Proportional to 27,102,916.09, 40,645,752.13 and 8,902,888.75
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Solution
The fourth proportional to 27,102,916.09, 40,645,752.13 and 8,902,888.75 is: 13,351,500.93
Step by Step Solution
- Step 1: Write the proportion equation
27,102,916.09 : 40,645,752.13 = 8,902,888.75 : x - Step 2: Convert to fraction form
27,102,916.09/40,645,752.13 = 8,902,888.75/x - Step 3: Cross multiply
27,102,916.09x = 40,645,752.13 × 8,902,888.75 - Step 4: Simplify right side
27,102,916.09x = 361,864,609,373,465.56 - Step 5: Solve for x
x = 361,864,609,373,465.56/27,102,916.09 - Step 6: Final answer
x = 13,351,500.93
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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.