Finding the Fourth Proportional to 20,230,537.33, 27,920,305.08 and 12,395,249.44
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Solution
The fourth proportional to 20,230,537.33, 27,920,305.08 and 12,395,249.44 is: 17,106,769.84
Step by Step Solution
- Step 1: Write the proportion equation
20,230,537.33 : 27,920,305.08 = 12,395,249.44 : x - Step 2: Convert to fraction form
20,230,537.33/27,920,305.08 = 12,395,249.44/x - Step 3: Cross multiply
20,230,537.33x = 27,920,305.08 × 12,395,249.44 - Step 4: Simplify right side
20,230,537.33x = 346,079,145,907,499.12 - Step 5: Solve for x
x = 346,079,145,907,499.12/20,230,537.33 - Step 6: Final answer
x = 17,106,769.84
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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.