Finding the Fourth Proportional to 8,049,464.85, 11,107,251.09 and 5,441,641.62
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Solution
The fourth proportional to 8,049,464.85, 11,107,251.09 and 5,441,641.62 is: 7,508,782.38
Step by Step Solution
- Step 1: Write the proportion equation
8,049,464.85 : 11,107,251.09 = 5,441,641.62 : x - Step 2: Convert to fraction form
8,049,464.85/11,107,251.09 = 5,441,641.62/x - Step 3: Cross multiply
8,049,464.85x = 11,107,251.09 × 5,441,641.62 - Step 4: Simplify right side
8,049,464.85x = 60,441,679,815,134.37 - Step 5: Solve for x
x = 60,441,679,815,134.37/8,049,464.85 - Step 6: Final answer
x = 7,508,782.38
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1.5x scale
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.