Finding the Fourth Proportional to 13,517,896.99, 20,278,092.08 and 4,420,041.23
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Solution
The fourth proportional to 13,517,896.99, 20,278,092.08 and 4,420,041.23 is: 6,630,469.45
Step by Step Solution
- Step 1: Write the proportion equation
13,517,896.99 : 20,278,092.08 = 4,420,041.23 : x - Step 2: Convert to fraction form
13,517,896.99/20,278,092.08 = 4,420,041.23/x - Step 3: Cross multiply
13,517,896.99x = 20,278,092.08 × 4,420,041.23 - Step 4: Simplify right side
13,517,896.99x = 89,630,002,935,845.78 - Step 5: Solve for x
x = 89,630,002,935,845.78/13,517,896.99 - Step 6: Final answer
x = 6,630,469.45
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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.