Finding the Fourth Proportional to 7,285,213.53, 10,926,824.81 and 2,168,433.14
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Solution
The fourth proportional to 7,285,213.53, 10,926,824.81 and 2,168,433.14 is: 3,252,353.40
Step by Step Solution
- Step 1: Write the proportion equation
7,285,213.53 : 10,926,824.81 = 2,168,433.14 : x - Step 2: Convert to fraction form
7,285,213.53/10,926,824.81 = 2,168,433.14/x - Step 3: Cross multiply
7,285,213.53x = 10,926,824.81 × 2,168,433.14 - Step 4: Simplify right side
7,285,213.53x = 23,694,088,967,501.91 - Step 5: Solve for x
x = 23,694,088,967,501.91/7,285,213.53 - Step 6: Final answer
x = 3,252,353.40
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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.