Finding the Fourth Proportional to 13,514,060.21, 18,649,397.18 and 7,319,107.23
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Solution
The fourth proportional to 13,514,060.21, 18,649,397.18 and 7,319,107.23 is: 10,100,364.78
Step by Step Solution
- Step 1: Write the proportion equation
13,514,060.21 : 18,649,397.18 = 7,319,107.23 : x - Step 2: Convert to fraction form
13,514,060.21/18,649,397.18 = 7,319,107.23/x - Step 3: Cross multiply
13,514,060.21x = 18,649,397.18 × 7,319,107.23 - Step 4: Simplify right side
13,514,060.21x = 136,496,937,698,684.09 - Step 5: Solve for x
x = 136,496,937,698,684.09/13,514,060.21 - Step 6: Final answer
x = 10,100,364.78
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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.