Finding the Fourth Proportional to 8,331,011.10, 11,497,860.09 and 4,660,131.60
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Solution
The fourth proportional to 8,331,011.10, 11,497,860.09 and 4,660,131.60 is: 6,431,577.21
Step by Step Solution
- Step 1: Write the proportion equation
8,331,011.10 : 11,497,860.09 = 4,660,131.60 : x - Step 2: Convert to fraction form
8,331,011.10/11,497,860.09 = 4,660,131.60/x - Step 3: Cross multiply
8,331,011.10x = 11,497,860.09 × 4,660,131.60 - Step 4: Simplify right side
8,331,011.10x = 53,581,541,137,787.84 - Step 5: Solve for x
x = 53,581,541,137,787.84/8,331,011.10 - Step 6: Final answer
x = 6,431,577.21
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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.