Finding the Fourth Proportional to 11,660,341.32, 17,370,840.06 and 11,135,711.34
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Solution
The fourth proportional to 11,660,341.32, 17,370,840.06 and 11,135,711.34 is: 16,589,279.45
Step by Step Solution
- Step 1: Write the proportion equation
11,660,341.32 : 17,370,840.06 = 11,135,711.34 : x - Step 2: Convert to fraction form
11,660,341.32/17,370,840.06 = 11,135,711.34/x - Step 3: Cross multiply
11,660,341.32x = 17,370,840.06 × 11,135,711.34 - Step 4: Simplify right side
11,660,341.32x = 193,436,660,641,468.25 - Step 5: Solve for x
x = 193,436,660,641,468.25/11,660,341.32 - Step 6: Final answer
x = 16,589,279.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.