Finding the Fourth Proportional to 21,561,298.66, 29,754,436.72 and 11,771,742.84
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Solution
The fourth proportional to 21,561,298.66, 29,754,436.72 and 11,771,742.84 is: 16,244,920.26
Step by Step Solution
- Step 1: Write the proportion equation
21,561,298.66 : 29,754,436.72 = 11,771,742.84 : x - Step 2: Convert to fraction form
21,561,298.66/29,754,436.72 = 11,771,742.84/x - Step 3: Cross multiply
21,561,298.66x = 29,754,436.72 × 11,771,742.84 - Step 4: Simplify right side
21,561,298.66x = 350,261,577,416,893.06 - Step 5: Solve for x
x = 350,261,577,416,893.06/21,561,298.66 - Step 6: Final answer
x = 16,244,920.26
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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.