Finding the Fourth Proportional to 18,351,937.80, 27,527,906.70 and 6,384,673.80
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Solution
The fourth proportional to 18,351,937.80, 27,527,906.70 and 6,384,673.80 is: 9,577,010.70
Step by Step Solution
- Step 1: Write the proportion equation
18,351,937.80 : 27,527,906.70 = 6,384,673.80 : x - Step 2: Convert to fraction form
18,351,937.80/27,527,906.70 = 6,384,673.80/x - Step 3: Cross multiply
18,351,937.80x = 27,527,906.70 × 6,384,673.80 - Step 4: Simplify right side
18,351,937.80x = 175,756,704,676,334.44 - Step 5: Solve for x
x = 175,756,704,676,334.44/18,351,937.80 - Step 6: Final answer
x = 9,577,010.70
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1.5x scale
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.