Finding the Fourth Proportional to 18,612,835.29, 27,920,003.81 and 6,483,525.53
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Solution
The fourth proportional to 18,612,835.29, 27,920,003.81 and 6,483,525.53 is: 9,725,549.84
Step by Step Solution
- Step 1: Write the proportion equation
18,612,835.29 : 27,920,003.81 = 6,483,525.53 : x - Step 2: Convert to fraction form
18,612,835.29/27,920,003.81 = 6,483,525.53/x - Step 3: Cross multiply
18,612,835.29x = 27,920,003.81 × 6,483,525.53 - Step 4: Simplify right side
18,612,835.29x = 181,020,057,327,814.62 - Step 5: Solve for x
x = 181,020,057,327,814.62/18,612,835.29 - Step 6: Final answer
x = 9,725,549.84
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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.