Finding the Fourth Proportional to 8,614,466.21, 11,888,043.09 and 4,747,125.77
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Solution
The fourth proportional to 8,614,466.21, 11,888,043.09 and 4,747,125.77 is: 6,551,077.48
Step by Step Solution
- Step 1: Write the proportion equation
8,614,466.21 : 11,888,043.09 = 4,747,125.77 : x - Step 2: Convert to fraction form
8,614,466.21/11,888,043.09 = 4,747,125.77/x - Step 3: Cross multiply
8,614,466.21x = 11,888,043.09 × 4,747,125.77 - Step 4: Simplify right side
8,614,466.21x = 56,434,035,647,969.21 - Step 5: Solve for x
x = 56,434,035,647,969.21/8,614,466.21 - Step 6: Final answer
x = 6,551,077.48
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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.