Finding the Fourth Proportional to 16,641,541.20, 24,962,311.80 and 13,618,232.40
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Solution
The fourth proportional to 16,641,541.20, 24,962,311.80 and 13,618,232.40 is: 20,427,348.60
Step by Step Solution
- Step 1: Write the proportion equation
16,641,541.20 : 24,962,311.80 = 13,618,232.40 : x - Step 2: Convert to fraction form
16,641,541.20/24,962,311.80 = 13,618,232.40/x - Step 3: Cross multiply
16,641,541.20x = 24,962,311.80 × 13,618,232.40 - Step 4: Simplify right side
16,641,541.20x = 339,942,563,333,662.31 - Step 5: Solve for x
x = 339,942,563,333,662.31/16,641,541.20 - Step 6: Final answer
x = 20,427,348.60
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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.