Finding the Fourth Proportional to 11,397,157.05, 17,095,735.58 and 3,418,981.05
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Solution
The fourth proportional to 11,397,157.05, 17,095,735.58 and 3,418,981.05 is: 5,128,471.58
Step by Step Solution
- Step 1: Write the proportion equation
11,397,157.05 : 17,095,735.58 = 3,418,981.05 : x - Step 2: Convert to fraction form
11,397,157.05/17,095,735.58 = 3,418,981.05/x - Step 3: Cross multiply
11,397,157.05x = 17,095,735.58 × 3,418,981.05 - Step 4: Simplify right side
11,397,157.05x = 58,449,995,966,735.85 - Step 5: Solve for x
x = 58,449,995,966,735.85/11,397,157.05 - Step 6: Final answer
x = 5,128,471.58
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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.