Finding the Fourth Proportional to 14,787,057.87, 20,510,537.11 and 14,393,791.53
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Solution
The fourth proportional to 14,787,057.87, 20,510,537.11 and 14,393,791.53 is: 19,965,053.08
Step by Step Solution
- Step 1: Write the proportion equation
14,787,057.87 : 20,510,537.11 = 14,393,791.53 : x - Step 2: Convert to fraction form
14,787,057.87/20,510,537.11 = 14,393,791.53/x - Step 3: Cross multiply
14,787,057.87x = 20,510,537.11 × 14,393,791.53 - Step 4: Simplify right side
14,787,057.87x = 295,224,395,293,684.19 - Step 5: Solve for x
x = 295,224,395,293,684.19/14,787,057.87 - Step 6: Final answer
x = 19,965,053.08
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.