Finding the Fourth Proportional to 12,364,442.49, 17,047,251.05 and 8,836,455.09
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Solution
The fourth proportional to 12,364,442.49, 17,047,251.05 and 8,836,455.09 is: 12,183,102.34
Step by Step Solution
- Step 1: Write the proportion equation
12,364,442.49 : 17,047,251.05 = 8,836,455.09 : x - Step 2: Convert to fraction form
12,364,442.49/17,047,251.05 = 8,836,455.09/x - Step 3: Cross multiply
12,364,442.49x = 17,047,251.05 × 8,836,455.09 - Step 4: Simplify right side
12,364,442.49x = 150,637,268,267,098.09 - Step 5: Solve for x
x = 150,637,268,267,098.09/12,364,442.49 - Step 6: Final answer
x = 12,183,102.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.