Finding the Fourth Proportional to 13,744,714.21, 18,968,033.09 and 7,549,890.68
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Solution
The fourth proportional to 13,744,714.21, 18,968,033.09 and 7,549,890.68 is: 10,419,029.02
Step by Step Solution
- Step 1: Write the proportion equation
13,744,714.21 : 18,968,033.09 = 7,549,890.68 : x - Step 2: Convert to fraction form
13,744,714.21/18,968,033.09 = 7,549,890.68/x - Step 3: Cross multiply
13,744,714.21x = 18,968,033.09 × 7,549,890.68 - Step 4: Simplify right side
13,744,714.21x = 143,206,576,244,122.59 - Step 5: Solve for x
x = 143,206,576,244,122.59/13,744,714.21 - Step 6: Final answer
x = 10,419,029.02
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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.