Finding the Fourth Proportional to 8,114,750.79, 11,198,359.55 and 4,443,895.98
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Solution
The fourth proportional to 8,114,750.79, 11,198,359.55 and 4,443,895.98 is: 6,132,578.34
Step by Step Solution
- Step 1: Write the proportion equation
8,114,750.79 : 11,198,359.55 = 4,443,895.98 : x - Step 2: Convert to fraction form
8,114,750.79/11,198,359.55 = 4,443,895.98/x - Step 3: Cross multiply
8,114,750.79x = 11,198,359.55 × 4,443,895.98 - Step 4: Simplify right side
8,114,750.79x = 49,764,344,964,620.13 - Step 5: Solve for x
x = 49,764,344,964,620.13/8,114,750.79 - Step 6: Final answer
x = 6,132,578.34
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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.