Finding the Fourth Proportional to 12,467,939.99, 18,711,166.46 and 9,439,119.95
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Solution
The fourth proportional to 12,467,939.99, 18,711,166.46 and 9,439,119.95 is: 14,165,687.73
Step by Step Solution
- Step 1: Write the proportion equation
12,467,939.99 : 18,711,166.46 = 9,439,119.95 : x - Step 2: Convert to fraction form
12,467,939.99/18,711,166.46 = 9,439,119.95/x - Step 3: Cross multiply
12,467,939.99x = 18,711,166.46 × 9,439,119.95 - Step 4: Simplify right side
12,467,939.99x = 176,616,944,479,605.44 - Step 5: Solve for x
x = 176,616,944,479,605.44/12,467,939.99 - Step 6: Final answer
x = 14,165,687.73
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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.