Finding the Fourth Proportional to 39,990,757.64, 59,988,378.47 and 11,234,651.23
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Solution
The fourth proportional to 39,990,757.64, 59,988,378.47 and 11,234,651.23 is: 16,852,606.70
Step by Step Solution
- Step 1: Write the proportion equation
39,990,757.64 : 59,988,378.47 = 11,234,651.23 : x - Step 2: Convert to fraction form
39,990,757.64/59,988,378.47 = 11,234,651.23/x - Step 3: Cross multiply
39,990,757.64x = 59,988,378.47 × 11,234,651.23 - Step 4: Simplify right side
39,990,757.64x = 673,948,510,085,575.38 - Step 5: Solve for x
x = 673,948,510,085,575.38/39,990,757.64 - Step 6: Final answer
x = 16,852,606.70
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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.