Finding the Fourth Proportional to 13,866,122.43, 19,135,183.64 and 7,754,575.23
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Solution
The fourth proportional to 13,866,122.43, 19,135,183.64 and 7,754,575.23 is: 10,701,277.29
Step by Step Solution
- Step 1: Write the proportion equation
13,866,122.43 : 19,135,183.64 = 7,754,575.23 : x - Step 2: Convert to fraction form
13,866,122.43/19,135,183.64 = 7,754,575.23/x - Step 3: Cross multiply
13,866,122.43x = 19,135,183.64 × 7,754,575.23 - Step 4: Simplify right side
13,866,122.43x = 148,385,221,037,472.38 - Step 5: Solve for x
x = 148,385,221,037,472.38/13,866,122.43 - Step 6: Final answer
x = 10,701,277.29
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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.