Finding the Fourth Proportional to 8,811,278.87, 13,219,623.81 and 4,206,141.68
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Solution
The fourth proportional to 8,811,278.87, 13,219,623.81 and 4,206,141.68 is: 6,310,504.01
Step by Step Solution
- Step 1: Write the proportion equation
8,811,278.87 : 13,219,623.81 = 4,206,141.68 : x - Step 2: Convert to fraction form
8,811,278.87/13,219,623.81 = 4,206,141.68/x - Step 3: Cross multiply
8,811,278.87x = 13,219,623.81 × 4,206,141.68 - Step 4: Simplify right side
8,811,278.87x = 55,603,610,623,235.61 - Step 5: Solve for x
x = 55,603,610,623,235.61/8,811,278.87 - Step 6: Final answer
x = 6,310,504.01
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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.