Finding the Fourth Proportional to 16,045,129.44, 22,142,115.81 and 8,702,804.88
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Solution
The fourth proportional to 16,045,129.44, 22,142,115.81 and 8,702,804.88 is: 12,009,782.42
Step by Step Solution
- Step 1: Write the proportion equation
16,045,129.44 : 22,142,115.81 = 8,702,804.88 : x - Step 2: Convert to fraction form
16,045,129.44/22,142,115.81 = 8,702,804.88/x - Step 3: Cross multiply
16,045,129.44x = 22,142,115.81 × 8,702,804.88 - Step 4: Simplify right side
16,045,129.44x = 192,698,513,524,793.16 - Step 5: Solve for x
x = 192,698,513,524,793.16/16,045,129.44 - Step 6: Final answer
x = 12,009,782.42
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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.