Finding the Fourth Proportional to 14,634,107.19, 20,194,531.88 and 8,439,415.11
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Solution
The fourth proportional to 14,634,107.19, 20,194,531.88 and 8,439,415.11 is: 11,646,083.72
Step by Step Solution
- Step 1: Write the proportion equation
14,634,107.19 : 20,194,531.88 = 8,439,415.11 : x - Step 2: Convert to fraction form
14,634,107.19/20,194,531.88 = 8,439,415.11/x - Step 3: Cross multiply
14,634,107.19x = 20,194,531.88 × 8,439,415.11 - Step 4: Simplify right side
14,634,107.19x = 170,430,037,445,251.62 - Step 5: Solve for x
x = 170,430,037,445,251.62/14,634,107.19 - Step 6: Final answer
x = 11,646,083.72
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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.