Finding the Fourth Proportional to 17,740,561.05, 24,493,057.08 and 13,602,638.80
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Solution
The fourth proportional to 17,740,561.05, 24,493,057.08 and 13,602,638.80 is: 18,780,139.34
Step by Step Solution
- Step 1: Write the proportion equation
17,740,561.05 : 24,493,057.08 = 13,602,638.80 : x - Step 2: Convert to fraction form
17,740,561.05/24,493,057.08 = 13,602,638.80/x - Step 3: Cross multiply
17,740,561.05x = 24,493,057.08 × 13,602,638.80 - Step 4: Simplify right side
17,740,561.05x = 333,170,208,567,022.69 - Step 5: Solve for x
x = 333,170,208,567,022.69/17,740,561.05 - Step 6: Final answer
x = 18,780,139.34
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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.