Finding the Fourth Proportional to 18,227,781.40, 27,352,169.70 and 6,876,376.60
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Solution
The fourth proportional to 18,227,781.40, 27,352,169.70 and 6,876,376.60 is: 10,318,525.09
Step by Step Solution
- Step 1: Write the proportion equation
18,227,781.40 : 27,352,169.70 = 6,876,376.60 : x - Step 2: Convert to fraction form
18,227,781.40/27,352,169.70 = 6,876,376.60/x - Step 3: Cross multiply
18,227,781.40x = 27,352,169.70 × 6,876,376.60 - Step 4: Simplify right side
18,227,781.40x = 188,083,819,684,309 - Step 5: Solve for x
x = 188,083,819,684,309/18,227,781.40 - Step 6: Final answer
x = 10,318,525.09
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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.