Finding the Fourth Proportional to 20,204,933.63, 30,307,663.08 and 6,741,761.63
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Solution
The fourth proportional to 20,204,933.63, 30,307,663.08 and 6,741,761.63 is: 10,112,730.07
Step by Step Solution
- Step 1: Write the proportion equation
20,204,933.63 : 30,307,663.08 = 6,741,761.63 : x - Step 2: Convert to fraction form
20,204,933.63/30,307,663.08 = 6,741,761.63/x - Step 3: Cross multiply
20,204,933.63x = 30,307,663.08 × 6,741,761.63 - Step 4: Simplify right side
20,204,933.63x = 204,327,039,896,173.28 - Step 5: Solve for x
x = 204,327,039,896,173.28/20,204,933.63 - Step 6: Final answer
x = 10,112,730.07
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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.