Finding the Fourth Proportional to 8,398,232.76, 11,589,930.18 and 4,727,386.20
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Solution
The fourth proportional to 8,398,232.76, 11,589,930.18 and 4,727,386.20 is: 6,524,000.65
Step by Step Solution
- Step 1: Write the proportion equation
8,398,232.76 : 11,589,930.18 = 4,727,386.20 : x - Step 2: Convert to fraction form
8,398,232.76/11,589,930.18 = 4,727,386.20/x - Step 3: Cross multiply
8,398,232.76x = 11,589,930.18 × 4,727,386.20 - Step 4: Simplify right side
8,398,232.76x = 54,790,075,991,895.52 - Step 5: Solve for x
x = 54,790,075,991,895.52/8,398,232.76 - Step 6: Final answer
x = 6,524,000.65
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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.