Finding the Fourth Proportional to 11,080,416.68, 16,645,847.76 and 8,015,860.07
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Solution
The fourth proportional to 11,080,416.68, 16,645,847.76 and 8,015,860.07 is: 12,042,036.89
Step by Step Solution
- Step 1: Write the proportion equation
11,080,416.68 : 16,645,847.76 = 8,015,860.07 : x - Step 2: Convert to fraction form
11,080,416.68/16,645,847.76 = 8,015,860.07/x - Step 3: Cross multiply
11,080,416.68x = 16,645,847.76 × 8,015,860.07 - Step 4: Simplify right side
11,080,416.68x = 133,430,786,432,297.56 - Step 5: Solve for x
x = 133,430,786,432,297.56/11,080,416.68 - Step 6: Final answer
x = 12,042,036.89
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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.