Finding the Fourth Proportional to 10,784,649.68, 14,880,843.96 and 6,138,160.16
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Solution
The fourth proportional to 10,784,649.68, 14,880,843.96 and 6,138,160.16 is: 8,469,538.30
Step by Step Solution
- Step 1: Write the proportion equation
10,784,649.68 : 14,880,843.96 = 6,138,160.16 : x - Step 2: Convert to fraction form
10,784,649.68/14,880,843.96 = 6,138,160.16/x - Step 3: Cross multiply
10,784,649.68x = 14,880,843.96 × 6,138,160.16 - Step 4: Simplify right side
10,784,649.68x = 91,341,003,542,448.64 - Step 5: Solve for x
x = 91,341,003,542,448.64/10,784,649.68 - Step 6: Final answer
x = 8,469,538.30
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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.