Finding the Fourth Proportional to 10,892,232.81, 16,340,122.44 and 3,216,653.91
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Solution
The fourth proportional to 10,892,232.81, 16,340,122.44 and 3,216,653.91 is: 4,825,504.53
Step by Step Solution
- Step 1: Write the proportion equation
10,892,232.81 : 16,340,122.44 = 3,216,653.91 : x - Step 2: Convert to fraction form
10,892,232.81/16,340,122.44 = 3,216,653.91/x - Step 3: Cross multiply
10,892,232.81x = 16,340,122.44 × 3,216,653.91 - Step 4: Simplify right side
10,892,232.81x = 52,560,518,736,504.74 - Step 5: Solve for x
x = 52,560,518,736,504.74/10,892,232.81 - Step 6: Final answer
x = 4,825,504.53
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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.