Finding the Fourth Proportional to 16,135,665.55, 22,266,568.82 and 8,793,341.06
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Solution
The fourth proportional to 16,135,665.55, 22,266,568.82 and 8,793,341.06 is: 12,134,456.63
Step by Step Solution
- Step 1: Write the proportion equation
16,135,665.55 : 22,266,568.82 = 8,793,341.06 : x - Step 2: Convert to fraction form
16,135,665.55/22,266,568.82 = 8,793,341.06/x - Step 3: Cross multiply
16,135,665.55x = 22,266,568.82 × 8,793,341.06 - Step 4: Simplify right side
16,135,665.55x = 195,797,533,780,872.25 - Step 5: Solve for x
x = 195,797,533,780,872.25/16,135,665.55 - Step 6: Final answer
x = 12,134,456.63
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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.