Finding the Fourth Proportional to 8,929,716.20, 13,386,473.18 and 3,245,926.12
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Solution
The fourth proportional to 8,929,716.20, 13,386,473.18 and 3,245,926.12 is: 4,865,944.45
Step by Step Solution
- Step 1: Write the proportion equation
8,929,716.20 : 13,386,473.18 = 3,245,926.12 : x - Step 2: Convert to fraction form
8,929,716.20/13,386,473.18 = 3,245,926.12/x - Step 3: Cross multiply
8,929,716.20x = 13,386,473.18 × 3,245,926.12 - Step 4: Simplify right side
8,929,716.20x = 43,451,502,949,641.46 - Step 5: Solve for x
x = 43,451,502,949,641.46/8,929,716.20 - Step 6: Final answer
x = 4,865,944.45
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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.