Finding the Fourth Proportional to 16,140,540.93, 22,273,765.31 and 8,798,213.31
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Solution
The fourth proportional to 16,140,540.93, 22,273,765.31 and 8,798,213.31 is: 12,141,435.61
Step by Step Solution
- Step 1: Write the proportion equation
16,140,540.93 : 22,273,765.31 = 8,798,213.31 : x - Step 2: Convert to fraction form
16,140,540.93/22,273,765.31 = 8,798,213.31/x - Step 3: Cross multiply
16,140,540.93x = 22,273,765.31 × 8,798,213.31 - Step 4: Simplify right side
16,140,540.93x = 195,969,338,370,267.22 - Step 5: Solve for x
x = 195,969,338,370,267.22/16,140,540.93 - Step 6: Final answer
x = 12,141,435.61
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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.