Finding the Fourth Proportional to 18,633,238.99, 25,715,044.38 and 11,291,714.08
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Solution
The fourth proportional to 18,633,238.99, 25,715,044.38 and 11,291,714.08 is: 15,583,277.22
Step by Step Solution
- Step 1: Write the proportion equation
18,633,238.99 : 25,715,044.38 = 11,291,714.08 : x - Step 2: Convert to fraction form
18,633,238.99/25,715,044.38 = 11,291,714.08/x - Step 3: Cross multiply
18,633,238.99x = 25,715,044.38 × 11,291,714.08 - Step 4: Simplify right side
18,633,238.99x = 290,366,928,671,527.19 - Step 5: Solve for x
x = 290,366,928,671,527.19/18,633,238.99 - Step 6: Final answer
x = 15,583,277.22
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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.