Finding the Fourth Proportional to 10,837,212.72, 16,255,745.28 and 2,639,757.18
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Solution
The fourth proportional to 10,837,212.72, 16,255,745.28 and 2,639,757.18 is: 3,959,617.79
Step by Step Solution
- Step 1: Write the proportion equation
10,837,212.72 : 16,255,745.28 = 2,639,757.18 : x - Step 2: Convert to fraction form
10,837,212.72/16,255,745.28 = 2,639,757.18/x - Step 3: Cross multiply
10,837,212.72x = 16,255,745.28 × 2,639,757.18 - Step 4: Simplify right side
10,837,212.72x = 42,911,220,319,131.11 - Step 5: Solve for x
x = 42,911,220,319,131.11/10,837,212.72 - Step 6: Final answer
x = 3,959,617.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.