Finding the Fourth Proportional to 20,204,812.13, 30,307,480.63 and 6,741,640.13
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Solution
The fourth proportional to 20,204,812.13, 30,307,480.63 and 6,741,640.13 is: 10,112,547.75
Step by Step Solution
- Step 1: Write the proportion equation
20,204,812.13 : 30,307,480.63 = 6,741,640.13 : x - Step 2: Convert to fraction form
20,204,812.13/30,307,480.63 = 6,741,640.13/x - Step 3: Cross multiply
20,204,812.13x = 30,307,480.63 × 6,741,640.13 - Step 4: Simplify right side
20,204,812.13x = 204,322,127,486,014.19 - Step 5: Solve for x
x = 204,322,127,486,014.19/20,204,812.13 - Step 6: Final answer
x = 10,112,547.75
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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.