Finding the Fourth Proportional to 29,789,921.80, 44,684,882.70 and 18,452,513.80
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Solution
The fourth proportional to 29,789,921.80, 44,684,882.70 and 18,452,513.80 is: 27,678,770.70
Step by Step Solution
- Step 1: Write the proportion equation
29,789,921.80 : 44,684,882.70 = 18,452,513.80 : x - Step 2: Convert to fraction form
29,789,921.80/44,684,882.70 = 18,452,513.80/x - Step 3: Cross multiply
29,789,921.80x = 44,684,882.70 × 18,452,513.80 - Step 4: Simplify right side
29,789,921.80x = 824,548,414,673,131.38 - Step 5: Solve for x
x = 824,548,414,673,131.38/29,789,921.80 - Step 6: Final answer
x = 27,678,770.70
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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.