Finding the Fourth Proportional to 17,186,879.08, 23,717,419.68 and 9,451,920.58
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Solution
The fourth proportional to 17,186,879.08, 23,717,419.68 and 9,451,920.58 is: 13,043,390.03
Step by Step Solution
- Step 1: Write the proportion equation
17,186,879.08 : 23,717,419.68 = 9,451,920.58 : x - Step 2: Convert to fraction form
17,186,879.08/23,717,419.68 = 9,451,920.58/x - Step 3: Cross multiply
17,186,879.08x = 23,717,419.68 × 9,451,920.58 - Step 4: Simplify right side
17,186,879.08x = 224,175,167,177,889 - Step 5: Solve for x
x = 224,175,167,177,889/17,186,879.08 - Step 6: Final answer
x = 13,043,390.03
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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.