Finding the Fourth Proportional to 16,332,497.20, 24,498,745.80 and 12,553,361.20
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Solution
The fourth proportional to 16,332,497.20, 24,498,745.80 and 12,553,361.20 is: 18,830,041.80
Step by Step Solution
- Step 1: Write the proportion equation
16,332,497.20 : 24,498,745.80 = 12,553,361.20 : x - Step 2: Convert to fraction form
16,332,497.20/24,498,745.80 = 12,553,361.20/x - Step 3: Cross multiply
16,332,497.20x = 24,498,745.80 × 12,553,361.20 - Step 4: Simplify right side
16,332,497.20x = 307,541,604,974,382.94 - Step 5: Solve for x
x = 307,541,604,974,382.94/16,332,497.20 - Step 6: Final answer
x = 18,830,041.80
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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.