Finding the Fourth Proportional to 9,874,366.68, 13,621,138.74 and 5,743,933.14
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Solution
The fourth proportional to 9,874,366.68, 13,621,138.74 and 5,743,933.14 is: 7,923,435.78
Step by Step Solution
- Step 1: Write the proportion equation
9,874,366.68 : 13,621,138.74 = 5,743,933.14 : x - Step 2: Convert to fraction form
9,874,366.68/13,621,138.74 = 5,743,933.14/x - Step 3: Cross multiply
9,874,366.68x = 13,621,138.74 × 5,743,933.14 - Step 4: Simplify right side
9,874,366.68x = 78,238,910,213,223.84 - Step 5: Solve for x
x = 78,238,910,213,223.84/9,874,366.68 - Step 6: Final answer
x = 7,923,435.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.