Finding the Fourth Proportional to 25,436,163.60, 38,154,476.05 and 7,240,351.62
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Solution
The fourth proportional to 25,436,163.60, 38,154,476.05 and 7,240,351.62 is: 10,860,593.08
Step by Step Solution
- Step 1: Write the proportion equation
25,436,163.60 : 38,154,476.05 = 7,240,351.62 : x - Step 2: Convert to fraction form
25,436,163.60/38,154,476.05 = 7,240,351.62/x - Step 3: Cross multiply
25,436,163.60x = 38,154,476.05 × 7,240,351.62 - Step 4: Simplify right side
25,436,163.60x = 276,251,822,460,767.81 - Step 5: Solve for x
x = 276,251,822,460,767.81/25,436,163.60 - Step 6: Final answer
x = 10,860,593.08
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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.