Finding the Fourth Proportional to 21,561,300.68, 29,754,439.48 and 11,771,744.84
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Solution
The fourth proportional to 21,561,300.68, 29,754,439.48 and 11,771,744.84 is: 16,244,923.00
Step by Step Solution
- Step 1: Write the proportion equation
21,561,300.68 : 29,754,439.48 = 11,771,744.84 : x - Step 2: Convert to fraction form
21,561,300.68/29,754,439.48 = 11,771,744.84/x - Step 3: Cross multiply
21,561,300.68x = 29,754,439.48 × 11,771,744.84 - Step 4: Simplify right side
21,561,300.68x = 350,261,669,415,782.31 - Step 5: Solve for x
x = 350,261,669,415,782.31/21,561,300.68 - Step 6: Final answer
x = 16,244,923.00
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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.