Finding the Fourth Proportional to 20,198,331.94, 30,301,753.59 and 6,550,414.12
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Solution
The fourth proportional to 20,198,331.94, 30,301,753.59 and 6,550,414.12 is: 9,827,001.32
Step by Step Solution
- Step 1: Write the proportion equation
20,198,331.94 : 30,301,753.59 = 6,550,414.12 : x - Step 2: Convert to fraction form
20,198,331.94/30,301,753.59 = 6,550,414.12/x - Step 3: Cross multiply
20,198,331.94x = 30,301,753.59 × 6,550,414.12 - Step 4: Simplify right side
20,198,331.94x = 198,489,034,576,696.69 - Step 5: Solve for x
x = 198,489,034,576,696.69/20,198,331.94 - Step 6: Final answer
x = 9,827,001.32
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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.