Finding the Fourth Proportional to 10,245,343.36, 14,138,617.92 and 5,599,223.68
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Solution
The fourth proportional to 10,245,343.36, 14,138,617.92 and 5,599,223.68 is: 7,726,952.77
Step by Step Solution
- Step 1: Write the proportion equation
10,245,343.36 : 14,138,617.92 = 5,599,223.68 : x - Step 2: Convert to fraction form
10,245,343.36/14,138,617.92 = 5,599,223.68/x - Step 3: Cross multiply
10,245,343.36x = 14,138,617.92 × 5,599,223.68 - Step 4: Simplify right side
10,245,343.36x = 79,165,284,260,136.34 - Step 5: Solve for x
x = 79,165,284,260,136.34/10,245,343.36 - Step 6: Final answer
x = 7,726,952.77
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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.