Finding the Fourth Proportional to 38,649,872.70, 57,974,809.05 and 36,760,304.70
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Solution
The fourth proportional to 38,649,872.70, 57,974,809.05 and 36,760,304.70 is: 55,140,457.05
Step by Step Solution
- Step 1: Write the proportion equation
38,649,872.70 : 57,974,809.05 = 36,760,304.70 : x - Step 2: Convert to fraction form
38,649,872.70/57,974,809.05 = 36,760,304.70/x - Step 3: Cross multiply
38,649,872.70x = 57,974,809.05 × 36,760,304.70 - Step 4: Simplify right side
38,649,872.70x = 2,131,171,645,602,317.50 - Step 5: Solve for x
x = 2,131,171,645,602,317.50/38,649,872.70 - Step 6: Final answer
x = 55,140,457.05
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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.