Finding the Fourth Proportional to 8,662,644.84, 13,006,741.20 and 4,831,951.68
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Solution
The fourth proportional to 8,662,644.84, 13,006,741.20 and 4,831,951.68 is: 7,255,052.72
Step by Step Solution
- Step 1: Write the proportion equation
8,662,644.84 : 13,006,741.20 = 4,831,951.68 : x - Step 2: Convert to fraction form
8,662,644.84/13,006,741.20 = 4,831,951.68/x - Step 3: Cross multiply
8,662,644.84x = 13,006,741.20 × 4,831,951.68 - Step 4: Simplify right side
8,662,644.84x = 62,847,944,992,665.21 - Step 5: Solve for x
x = 62,847,944,992,665.21/8,662,644.84 - Step 6: Final answer
x = 7,255,052.72
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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.