Finding the Fourth Proportional to 6,416,835.36, 9,629,957.52 and 5,169,720.48
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Solution
The fourth proportional to 6,416,835.36, 9,629,957.52 and 5,169,720.48 is: 7,758,370.88
Step by Step Solution
- Step 1: Write the proportion equation
6,416,835.36 : 9,629,957.52 = 5,169,720.48 : x - Step 2: Convert to fraction form
6,416,835.36/9,629,957.52 = 5,169,720.48/x - Step 3: Cross multiply
6,416,835.36x = 9,629,957.52 × 5,169,720.48 - Step 4: Simplify right side
6,416,835.36x = 49,784,188,612,674.01 - Step 5: Solve for x
x = 49,784,188,612,674.01/6,416,835.36 - Step 6: Final answer
x = 7,758,370.88
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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.