Finding the Fourth Proportional to 22,319,639.46, 30,797,434.62 and 13,151,035.62
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Solution
The fourth proportional to 22,319,639.46, 30,797,434.62 and 13,151,035.62 is: 18,146,268.02
Step by Step Solution
- Step 1: Write the proportion equation
22,319,639.46 : 30,797,434.62 = 13,151,035.62 : x - Step 2: Convert to fraction form
22,319,639.46/30,797,434.62 = 13,151,035.62/x - Step 3: Cross multiply
22,319,639.46x = 30,797,434.62 × 13,151,035.62 - Step 4: Simplify right side
22,319,639.46x = 405,018,159,692,241.12 - Step 5: Solve for x
x = 405,018,159,692,241.12/22,319,639.46 - Step 6: Final answer
x = 18,146,268.02
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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.