Finding the Fourth Proportional to 11,815,363.14, 17,721,469.80 and 3,294,986.10
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Solution
The fourth proportional to 11,815,363.14, 17,721,469.80 and 3,294,986.10 is: 4,942,039.95
Step by Step Solution
- Step 1: Write the proportion equation
11,815,363.14 : 17,721,469.80 = 3,294,986.10 : x - Step 2: Convert to fraction form
11,815,363.14/17,721,469.80 = 3,294,986.10/x - Step 3: Cross multiply
11,815,363.14x = 17,721,469.80 × 3,294,986.10 - Step 4: Simplify right side
11,815,363.14x = 58,391,996,662,569.78 - Step 5: Solve for x
x = 58,391,996,662,569.78/11,815,363.14 - Step 6: Final answer
x = 4,942,039.95
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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.