Finding the Fourth Proportional to 7,775,102.50, 10,731,775.49 and 4,512,968.19
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Solution
The fourth proportional to 7,775,102.50, 10,731,775.49 and 4,512,968.19 is: 6,229,134.78
Step by Step Solution
- Step 1: Write the proportion equation
7,775,102.50 : 10,731,775.49 = 4,512,968.19 : x - Step 2: Convert to fraction form
7,775,102.50/10,731,775.49 = 4,512,968.19/x - Step 3: Cross multiply
7,775,102.50x = 10,731,775.49 × 4,512,968.19 - Step 4: Simplify right side
7,775,102.50x = 48,432,161,412,856.26 - Step 5: Solve for x
x = 48,432,161,412,856.26/7,775,102.50 - Step 6: Final answer
x = 6,229,134.78
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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.