Finding the Fourth Proportional to 18,454,156.92, 25,466,950.28 and 10,194,048.09
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Solution
The fourth proportional to 18,454,156.92, 25,466,950.28 and 10,194,048.09 is: 14,067,904.43
Step by Step Solution
- Step 1: Write the proportion equation
18,454,156.92 : 25,466,950.28 = 10,194,048.09 : x - Step 2: Convert to fraction form
18,454,156.92/25,466,950.28 = 10,194,048.09/x - Step 3: Cross multiply
18,454,156.92x = 25,466,950.28 × 10,194,048.09 - Step 4: Simplify right side
18,454,156.92x = 259,611,315,834,473.84 - Step 5: Solve for x
x = 259,611,315,834,473.84/18,454,156.92 - Step 6: Final answer
x = 14,067,904.43
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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.