Finding the Fourth Proportional to 18,383,557.12, 27,587,930.88 and 6,416,293.12
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Solution
The fourth proportional to 18,383,557.12, 27,587,930.88 and 6,416,293.12 is: 9,628,835.70
Step by Step Solution
- Step 1: Write the proportion equation
18,383,557.12 : 27,587,930.88 = 6,416,293.12 : x - Step 2: Convert to fraction form
18,383,557.12/27,587,930.88 = 6,416,293.12/x - Step 3: Cross multiply
18,383,557.12x = 27,587,930.88 × 6,416,293.12 - Step 4: Simplify right side
18,383,557.12x = 177,012,251,100,379.53 - Step 5: Solve for x
x = 177,012,251,100,379.53/18,383,557.12 - Step 6: Final answer
x = 9,628,835.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.