Finding the Fourth Proportional to 18,541,617.40, 27,824,235.90 and 10,865,247.40
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Solution
The fourth proportional to 18,541,617.40, 27,824,235.90 and 10,865,247.40 is: 16,304,791.55
Step by Step Solution
- Step 1: Write the proportion equation
18,541,617.40 : 27,824,235.90 = 10,865,247.40 : x - Step 2: Convert to fraction form
18,541,617.40/27,824,235.90 = 10,865,247.40/x - Step 3: Cross multiply
18,541,617.40x = 27,824,235.90 × 10,865,247.40 - Step 4: Simplify right side
18,541,617.40x = 302,317,206,769,461.62 - Step 5: Solve for x
x = 302,317,206,769,461.62/18,541,617.40 - Step 6: Final answer
x = 16,304,791.55
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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.