Finding the Fourth Proportional to 12,447,859.48, 18,670,107.49 and 3,350,503.04
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Solution
The fourth proportional to 12,447,859.48, 18,670,107.49 and 3,350,503.04 is: 5,025,301.89
Step by Step Solution
- Step 1: Write the proportion equation
12,447,859.48 : 18,670,107.49 = 3,350,503.04 : x - Step 2: Convert to fraction form
12,447,859.48/18,670,107.49 = 3,350,503.04/x - Step 3: Cross multiply
12,447,859.48x = 18,670,107.49 × 3,350,503.04 - Step 4: Simplify right side
12,447,859.48x = 62,554,251,800,644.98 - Step 5: Solve for x
x = 62,554,251,800,644.98/12,447,859.48 - Step 6: Final answer
x = 5,025,301.89
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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.