Finding the Fourth Proportional to 18,021,034.41, 27,023,469.21 and 10,737,926.20
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Solution
The fourth proportional to 18,021,034.41, 27,023,469.21 and 10,737,926.20 is: 16,102,073.35
Step by Step Solution
- Step 1: Write the proportion equation
18,021,034.41 : 27,023,469.21 = 10,737,926.20 : x - Step 2: Convert to fraction form
18,021,034.41/27,023,469.21 = 10,737,926.20/x - Step 3: Cross multiply
18,021,034.41x = 27,023,469.21 × 10,737,926.20 - Step 4: Simplify right side
18,021,034.41x = 290,176,017,926,724.62 - Step 5: Solve for x
x = 290,176,017,926,724.62/18,021,034.41 - Step 6: Final answer
x = 16,102,073.35
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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.