Finding the Fourth Proportional to 18,313,829.80, 27,470,744.70 and 5,536,306.60
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Solution
The fourth proportional to 18,313,829.80, 27,470,744.70 and 5,536,306.60 is: 8,304,459.90
Step by Step Solution
- Step 1: Write the proportion equation
18,313,829.80 : 27,470,744.70 = 5,536,306.60 : x - Step 2: Convert to fraction form
18,313,829.80/27,470,744.70 = 5,536,306.60/x - Step 3: Cross multiply
18,313,829.80x = 27,470,744.70 × 5,536,306.60 - Step 4: Simplify right side
18,313,829.80x = 152,086,465,189,525 - Step 5: Solve for x
x = 152,086,465,189,525/18,313,829.80 - Step 6: Final answer
x = 8,304,459.90
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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.