Finding the Fourth Proportional to 13,651,202.72, 20,476,860.16 and 3,416,034.62
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Solution
The fourth proportional to 13,651,202.72, 20,476,860.16 and 3,416,034.62 is: 5,124,065.96
Step by Step Solution
- Step 1: Write the proportion equation
13,651,202.72 : 20,476,860.16 = 3,416,034.62 : x - Step 2: Convert to fraction form
13,651,202.72/20,476,860.16 = 3,416,034.62/x - Step 3: Cross multiply
13,651,202.72x = 20,476,860.16 × 3,416,034.62 - Step 4: Simplify right side
13,651,202.72x = 69,949,663,215,458.74 - Step 5: Solve for x
x = 69,949,663,215,458.74/13,651,202.72 - Step 6: Final answer
x = 5,124,065.96
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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.