Finding the Fourth Proportional to 14,595,085.68, 20,137,876.44 and 8,713,575.18
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Solution
The fourth proportional to 14,595,085.68, 20,137,876.44 and 8,713,575.18 is: 12,022,738.62
Step by Step Solution
- Step 1: Write the proportion equation
14,595,085.68 : 20,137,876.44 = 8,713,575.18 : x - Step 2: Convert to fraction form
14,595,085.68/20,137,876.44 = 8,713,575.18/x - Step 3: Cross multiply
14,595,085.68x = 20,137,876.44 × 8,713,575.18 - Step 4: Simplify right side
14,595,085.68x = 175,472,900,325,490.75 - Step 5: Solve for x
x = 175,472,900,325,490.75/14,595,085.68 - Step 6: Final answer
x = 12,022,738.62
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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.