Finding the Fourth Proportional to 20,430,747.18, 30,646,231.56 and 6,053,939.46
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Solution
The fourth proportional to 20,430,747.18, 30,646,231.56 and 6,053,939.46 is: 9,080,942.02
Step by Step Solution
- Step 1: Write the proportion equation
20,430,747.18 : 30,646,231.56 = 6,053,939.46 : x - Step 2: Convert to fraction form
20,430,747.18/30,646,231.56 = 6,053,939.46/x - Step 3: Cross multiply
20,430,747.18x = 30,646,231.56 × 6,053,939.46 - Step 4: Simplify right side
20,430,747.18x = 185,530,430,541,381.34 - Step 5: Solve for x
x = 185,530,430,541,381.34/20,430,747.18 - Step 6: Final answer
x = 9,080,942.02
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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.