Finding the Fourth Proportional to 25,451,898.50, 38,129,678.94 and 15,045,963.08
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Solution
The fourth proportional to 25,451,898.50, 38,129,678.94 and 15,045,963.08 is: 22,540,469.49
Step by Step Solution
- Step 1: Write the proportion equation
25,451,898.50 : 38,129,678.94 = 15,045,963.08 : x - Step 2: Convert to fraction form
25,451,898.50/38,129,678.94 = 15,045,963.08/x - Step 3: Cross multiply
25,451,898.50x = 38,129,678.94 × 15,045,963.08 - Step 4: Simplify right side
25,451,898.50x = 573,697,741,583,493.50 - Step 5: Solve for x
x = 573,697,741,583,493.50/25,451,898.50 - Step 6: Final answer
x = 22,540,469.49
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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.