Finding the Fourth Proportional to 16,135,437.80, 22,266,255.84 and 8,793,113.42
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Solution
The fourth proportional to 16,135,437.80, 22,266,255.84 and 8,793,113.42 is: 12,134,143.21
Step by Step Solution
- Step 1: Write the proportion equation
16,135,437.80 : 22,266,255.84 = 8,793,113.42 : x - Step 2: Convert to fraction form
16,135,437.80/22,266,255.84 = 8,793,113.42/x - Step 3: Cross multiply
16,135,437.80x = 22,266,255.84 × 8,793,113.42 - Step 4: Simplify right side
16,135,437.80x = 195,789,713,039,857.38 - Step 5: Solve for x
x = 195,789,713,039,857.38/16,135,437.80 - Step 6: Final answer
x = 12,134,143.21
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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.