Finding the Fourth Proportional to 28,950,450.42, 43,427,072.21 and 9,519,246.21
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Solution
The fourth proportional to 28,950,450.42, 43,427,072.21 and 9,519,246.21 is: 14,279,328.53
Step by Step Solution
- Step 1: Write the proportion equation
28,950,450.42 : 43,427,072.21 = 9,519,246.21 : x - Step 2: Convert to fraction form
28,950,450.42/43,427,072.21 = 9,519,246.21/x - Step 3: Cross multiply
28,950,450.42x = 43,427,072.21 × 9,519,246.21 - Step 4: Simplify right side
28,950,450.42x = 413,392,992,498,842.62 - Step 5: Solve for x
x = 413,392,992,498,842.62/28,950,450.42 - Step 6: Final answer
x = 14,279,328.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.