Finding the Fourth Proportional to 22,382,226.53, 30,812,858.28 and 21,353,888.19
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Solution
The fourth proportional to 22,382,226.53, 30,812,858.28 and 21,353,888.19 is: 29,397,179.49
Step by Step Solution
- Step 1: Write the proportion equation
22,382,226.53 : 30,812,858.28 = 21,353,888.19 : x - Step 2: Convert to fraction form
22,382,226.53/30,812,858.28 = 21,353,888.19/x - Step 3: Cross multiply
22,382,226.53x = 30,812,858.28 × 21,353,888.19 - Step 4: Simplify right side
22,382,226.53x = 657,974,330,525,435.75 - Step 5: Solve for x
x = 657,974,330,525,435.75/22,382,226.53 - Step 6: Final answer
x = 29,397,179.49
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Double scale
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Similar ratio
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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.