Finding the Fourth Proportional to 7,092,021.20, 10,631,119.80 and 4,056,270.80
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Solution
The fourth proportional to 7,092,021.20, 10,631,119.80 and 4,056,270.80 is: 6,080,452.89
Step by Step Solution
- Step 1: Write the proportion equation
7,092,021.20 : 10,631,119.80 = 4,056,270.80 : x - Step 2: Convert to fraction form
7,092,021.20/10,631,119.80 = 4,056,270.80/x - Step 3: Cross multiply
7,092,021.20x = 10,631,119.80 × 4,056,270.80 - Step 4: Simplify right side
7,092,021.20x = 43,122,700,816,041.84 - Step 5: Solve for x
x = 43,122,700,816,041.84/7,092,021.20 - Step 6: Final answer
x = 6,080,452.89
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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.