Finding the Fourth Proportional to 15,141,216.75, 20,894,964.00 and 8,614,846.07
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Solution
The fourth proportional to 15,141,216.75, 20,894,964.00 and 8,614,846.07 is: 11,888,535.88
Step by Step Solution
- Step 1: Write the proportion equation
15,141,216.75 : 20,894,964.00 = 8,614,846.07 : x - Step 2: Convert to fraction form
15,141,216.75/20,894,964.00 = 8,614,846.07/x - Step 3: Cross multiply
15,141,216.75x = 20,894,964.00 × 8,614,846.07 - Step 4: Simplify right side
15,141,216.75x = 180,006,898,504,378.44 - Step 5: Solve for x
x = 180,006,898,504,378.44/15,141,216.75 - Step 6: Final answer
x = 11,888,535.88
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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.