Finding the Fourth Proportional to 21,921,186.69, 32,889,082.56 and 7,349,548.09
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Solution
The fourth proportional to 21,921,186.69, 32,889,082.56 and 7,349,548.09 is: 11,026,770.46
Step by Step Solution
- Step 1: Write the proportion equation
21,921,186.69 : 32,889,082.56 = 7,349,548.09 : x - Step 2: Convert to fraction form
21,921,186.69/32,889,082.56 = 7,349,548.09/x - Step 3: Cross multiply
21,921,186.69x = 32,889,082.56 × 7,349,548.09 - Step 4: Simplify right side
21,921,186.69x = 241,719,893,842,258.03 - Step 5: Solve for x
x = 241,719,893,842,258.03/21,921,186.69 - Step 6: Final answer
x = 11,026,770.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.