Finding the Fourth Proportional to 20,345,564.24, 30,512,259 and 6,696,191.12
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Solution
The fourth proportional to 20,345,564.24, 30,512,259 and 6,696,191.12 is: 10,042,283.19
Step by Step Solution
- Step 1: Write the proportion equation
20,345,564.24 : 30,512,259 = 6,696,191.12 : x - Step 2: Convert to fraction form
20,345,564.24/30,512,259 = 6,696,191.12/x - Step 3: Cross multiply
20,345,564.24x = 30,512,259 × 6,696,191.12 - Step 4: Simplify right side
20,345,564.24x = 204,315,917,766,940.09 - Step 5: Solve for x
x = 204,315,917,766,940.09/20,345,564.24 - Step 6: Final answer
x = 10,042,283.19
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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.