Finding the Fourth Proportional to 10,260,863.92, 14,157,786.36 and 6,186,395.44
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Solution
The fourth proportional to 10,260,863.92, 14,157,786.36 and 6,186,395.44 is: 8,535,895.77
Step by Step Solution
- Step 1: Write the proportion equation
10,260,863.92 : 14,157,786.36 = 6,186,395.44 : x - Step 2: Convert to fraction form
10,260,863.92/14,157,786.36 = 6,186,395.44/x - Step 3: Cross multiply
10,260,863.92x = 14,157,786.36 × 6,186,395.44 - Step 4: Simplify right side
10,260,863.92x = 87,585,664,977,998.20 - Step 5: Solve for x
x = 87,585,664,977,998.20/10,260,863.92 - Step 6: Final answer
x = 8,535,895.77
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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.