Finding the Fourth Proportional to 18,458,449.24, 25,473,184.90 and 10,310,212.12
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Solution
The fourth proportional to 18,458,449.24, 25,473,184.90 and 10,310,212.12 is: 14,228,385.94
Step by Step Solution
- Step 1: Write the proportion equation
18,458,449.24 : 25,473,184.90 = 10,310,212.12 : x - Step 2: Convert to fraction form
18,458,449.24/25,473,184.90 = 10,310,212.12/x - Step 3: Cross multiply
18,458,449.24x = 25,473,184.90 × 10,310,212.12 - Step 4: Simplify right side
18,458,449.24x = 262,633,939,690,980.94 - Step 5: Solve for x
x = 262,633,939,690,980.94/18,458,449.24 - Step 6: Final answer
x = 14,228,385.94
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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.