Finding the Fourth Proportional to 20,674,482.53, 31,016,390.27 and 6,841,405.94
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Solution
The fourth proportional to 20,674,482.53, 31,016,390.27 and 6,841,405.94 is: 10,263,653.09
Step by Step Solution
- Step 1: Write the proportion equation
20,674,482.53 : 31,016,390.27 = 6,841,405.94 : x - Step 2: Convert to fraction form
20,674,482.53/31,016,390.27 = 6,841,405.94/x - Step 3: Cross multiply
20,674,482.53x = 31,016,390.27 × 6,841,405.94 - Step 4: Simplify right side
20,674,482.53x = 212,195,716,441,247.22 - Step 5: Solve for x
x = 212,195,716,441,247.22/20,674,482.53 - Step 6: Final answer
x = 10,263,653.09
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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.