Finding the Fourth Proportional to 39,915,803.14, 55,083,704.74 and 22,274,520.73
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Solution
The fourth proportional to 39,915,803.14, 55,083,704.74 and 22,274,520.73 is: 30,738,780.80
Step by Step Solution
- Step 1: Write the proportion equation
39,915,803.14 : 55,083,704.74 = 22,274,520.73 : x - Step 2: Convert to fraction form
39,915,803.14/55,083,704.74 = 22,274,520.73/x - Step 3: Cross multiply
39,915,803.14x = 55,083,704.74 × 22,274,520.73 - Step 4: Simplify right side
39,915,803.14x = 1,226,963,123,232,834.50 - Step 5: Solve for x
x = 1,226,963,123,232,834.50/39,915,803.14 - Step 6: Final answer
x = 30,738,780.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.