Finding the Fourth Proportional to 8,240,649.60, 12,366,458.64 and 3,386,936.64
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Solution
The fourth proportional to 8,240,649.60, 12,366,458.64 and 3,386,936.64 is: 5,082,659.00
Step by Step Solution
- Step 1: Write the proportion equation
8,240,649.60 : 12,366,458.64 = 3,386,936.64 : x - Step 2: Convert to fraction form
8,240,649.60/12,366,458.64 = 3,386,936.64/x - Step 3: Cross multiply
8,240,649.60x = 12,366,458.64 × 3,386,936.64 - Step 4: Simplify right side
8,240,649.60x = 41,884,411,874,860.57 - Step 5: Solve for x
x = 41,884,411,874,860.57/8,240,649.60 - Step 6: Final answer
x = 5,082,659.00
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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.