Finding the Fourth Proportional to 45,011,874.75, 67,517,812.93 and 10,932,990.99
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Solution
The fourth proportional to 45,011,874.75, 67,517,812.93 and 10,932,990.99 is: 16,399,486.67
Step by Step Solution
- Step 1: Write the proportion equation
45,011,874.75 : 67,517,812.93 = 10,932,990.99 : x - Step 2: Convert to fraction form
45,011,874.75/67,517,812.93 = 10,932,990.99/x - Step 3: Cross multiply
45,011,874.75x = 67,517,812.93 × 10,932,990.99 - Step 4: Simplify right side
45,011,874.75x = 738,171,640,063,273.88 - Step 5: Solve for x
x = 738,171,640,063,273.88/45,011,874.75 - Step 6: Final answer
x = 16,399,486.67
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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.