Finding the Fourth Proportional to 20,024,941.08, 27,635,432.22 and 11,205,382.44
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Solution
The fourth proportional to 20,024,941.08, 27,635,432.22 and 11,205,382.44 is: 15,463,994.91
Step by Step Solution
- Step 1: Write the proportion equation
20,024,941.08 : 27,635,432.22 = 11,205,382.44 : x - Step 2: Convert to fraction form
20,024,941.08/27,635,432.22 = 11,205,382.44/x - Step 3: Cross multiply
20,024,941.08x = 27,635,432.22 × 11,205,382.44 - Step 4: Simplify right side
20,024,941.08x = 309,665,586,919,798.19 - Step 5: Solve for x
x = 309,665,586,919,798.19/20,024,941.08 - Step 6: Final answer
x = 15,463,994.91
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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.