Finding the Fourth Proportional to 16,456,135.44, 24,700,124.56 and 7,942,465.20
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Solution
The fourth proportional to 16,456,135.44, 24,700,124.56 and 7,942,465.20 is: 11,921,382.18
Step by Step Solution
- Step 1: Write the proportion equation
16,456,135.44 : 24,700,124.56 = 7,942,465.20 : x - Step 2: Convert to fraction form
16,456,135.44/24,700,124.56 = 7,942,465.20/x - Step 3: Cross multiply
16,456,135.44x = 24,700,124.56 × 7,942,465.20 - Step 4: Simplify right side
16,456,135.44x = 196,179,879,753,465.31 - Step 5: Solve for x
x = 196,179,879,753,465.31/16,456,135.44 - Step 6: Final answer
x = 11,921,382.18
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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.