Finding the Fourth Proportional to 21,412,505.24, 29,549,283.54 and 11,622,943.88
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Solution
The fourth proportional to 21,412,505.24, 29,549,283.54 and 11,622,943.88 is: 16,039,676.84
Step by Step Solution
- Step 1: Write the proportion equation
21,412,505.24 : 29,549,283.54 = 11,622,943.88 : x - Step 2: Convert to fraction form
21,412,505.24/29,549,283.54 = 11,622,943.88/x - Step 3: Cross multiply
21,412,505.24x = 29,549,283.54 × 11,622,943.88 - Step 4: Simplify right side
21,412,505.24x = 343,449,664,279,627.75 - Step 5: Solve for x
x = 343,449,664,279,627.75/21,412,505.24 - Step 6: Final answer
x = 16,039,676.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.