Finding the Fourth Proportional to 38,354,463.36, 52,929,339.84 and 20,951,049.60
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Solution
The fourth proportional to 38,354,463.36, 52,929,339.84 and 20,951,049.60 is: 28,912,546.99
Step by Step Solution
- Step 1: Write the proportion equation
38,354,463.36 : 52,929,339.84 = 20,951,049.60 : x - Step 2: Convert to fraction form
38,354,463.36/52,929,339.84 = 20,951,049.60/x - Step 3: Cross multiply
38,354,463.36x = 52,929,339.84 × 20,951,049.60 - Step 4: Simplify right side
38,354,463.36x = 1,108,925,224,283,096.25 - Step 5: Solve for x
x = 1,108,925,224,283,096.25/38,354,463.36 - Step 6: Final answer
x = 28,912,546.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.