Finding the Fourth Proportional to 12,230,928.70, 18,350,079.45 and 6,553,872.70
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Solution
The fourth proportional to 12,230,928.70, 18,350,079.45 and 6,553,872.70 is: 9,832,784.39
Step by Step Solution
- Step 1: Write the proportion equation
12,230,928.70 : 18,350,079.45 = 6,553,872.70 : x - Step 2: Convert to fraction form
12,230,928.70/18,350,079.45 = 6,553,872.70/x - Step 3: Cross multiply
12,230,928.70x = 18,350,079.45 × 6,553,872.70 - Step 4: Simplify right side
12,230,928.70x = 120,264,084,750,186.02 - Step 5: Solve for x
x = 120,264,084,750,186.02/12,230,928.70 - Step 6: Final answer
x = 9,832,784.39
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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.