Finding the Fourth Proportional to 11,350,076.96, 15,656,115.49 and 8,087,945.70
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Solution
The fourth proportional to 11,350,076.96, 15,656,115.49 and 8,087,945.70 is: 11,156,383.56
Step by Step Solution
- Step 1: Write the proportion equation
11,350,076.96 : 15,656,115.49 = 8,087,945.70 : x - Step 2: Convert to fraction form
11,350,076.96/15,656,115.49 = 8,087,945.70/x - Step 3: Cross multiply
11,350,076.96x = 15,656,115.49 × 8,087,945.70 - Step 4: Simplify right side
11,350,076.96x = 126,625,811,951,968.50 - Step 5: Solve for x
x = 126,625,811,951,968.50/11,350,076.96 - Step 6: Final answer
x = 11,156,383.56
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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.