Finding the Fourth Proportional to 8,005,297.68, 12,010,191.12 and 3,216,349.44
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Solution
The fourth proportional to 8,005,297.68, 12,010,191.12 and 3,216,349.44 is: 4,825,425.99
Step by Step Solution
- Step 1: Write the proportion equation
8,005,297.68 : 12,010,191.12 = 3,216,349.44 : x - Step 2: Convert to fraction form
8,005,297.68/12,010,191.12 = 3,216,349.44/x - Step 3: Cross multiply
8,005,297.68x = 12,010,191.12 × 3,216,349.44 - Step 4: Simplify right side
8,005,297.68x = 38,628,971,483,104.97 - Step 5: Solve for x
x = 38,628,971,483,104.97/8,005,297.68 - Step 6: Final answer
x = 4,825,425.99
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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.