Finding the Fourth Proportional to 8,877,475.26, 12,259,378.76 and 8,393,858.28
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Solution
The fourth proportional to 8,877,475.26, 12,259,378.76 and 8,393,858.28 is: 11,591,526.29
Step by Step Solution
- Step 1: Write the proportion equation
8,877,475.26 : 12,259,378.76 = 8,393,858.28 : x - Step 2: Convert to fraction form
8,877,475.26/12,259,378.76 = 8,393,858.28/x - Step 3: Cross multiply
8,877,475.26x = 12,259,378.76 × 8,393,858.28 - Step 4: Simplify right side
8,877,475.26x = 102,903,487,870,312.84 - Step 5: Solve for x
x = 102,903,487,870,312.84/8,877,475.26 - Step 6: Final answer
x = 11,591,526.29
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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.