Finding the Fourth Proportional to 8,169,790.71, 11,274,311.15 and 4,498,698.53
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Solution
The fourth proportional to 8,169,790.71, 11,274,311.15 and 4,498,698.53 is: 6,208,203.95
Step by Step Solution
- Step 1: Write the proportion equation
8,169,790.71 : 11,274,311.15 = 4,498,698.53 : x - Step 2: Convert to fraction form
8,169,790.71/11,274,311.15 = 4,498,698.53/x - Step 3: Cross multiply
8,169,790.71x = 11,274,311.15 × 4,498,698.53 - Step 4: Simplify right side
8,169,790.71x = 50,719,726,997,267.62 - Step 5: Solve for x
x = 50,719,726,997,267.62/8,169,790.71 - Step 6: Final answer
x = 6,208,203.95
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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.