Finding the Fourth Proportional to 7,546,157.63, 11,321,819.73 and 3,226,428.03
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Solution
The fourth proportional to 7,546,157.63, 11,321,819.73 and 3,226,428.03 is: 4,840,746.55
Step by Step Solution
- Step 1: Write the proportion equation
7,546,157.63 : 11,321,819.73 = 3,226,428.03 : x - Step 2: Convert to fraction form
7,546,157.63/11,321,819.73 = 3,226,428.03/x - Step 3: Cross multiply
7,546,157.63x = 11,321,819.73 × 3,226,428.03 - Step 4: Simplify right side
7,546,157.63x = 36,529,036,527,479.03 - Step 5: Solve for x
x = 36,529,036,527,479.03/7,546,157.63 - Step 6: Final answer
x = 4,840,746.55
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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.