Finding the Fourth Proportional to 15,147,558.85, 20,889,441.91 and 12,060,273.49
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Solution
The fourth proportional to 15,147,558.85, 20,889,441.91 and 12,060,273.49 is: 16,631,880.09
Step by Step Solution
- Step 1: Write the proportion equation
15,147,558.85 : 20,889,441.91 = 12,060,273.49 : x - Step 2: Convert to fraction form
15,147,558.85/20,889,441.91 = 12,060,273.49/x - Step 3: Cross multiply
15,147,558.85x = 20,889,441.91 × 12,060,273.49 - Step 4: Simplify right side
15,147,558.85x = 251,932,382,488,067.97 - Step 5: Solve for x
x = 251,932,382,488,067.97/15,147,558.85 - Step 6: Final answer
x = 16,631,880.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.