Finding the Fourth Proportional to 16,040,319.40, 24,084,098.70 and 12,450,140.20
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Solution
The fourth proportional to 16,040,319.40, 24,084,098.70 and 12,450,140.20 is: 18,693,543.31
Step by Step Solution
- Step 1: Write the proportion equation
16,040,319.40 : 24,084,098.70 = 12,450,140.20 : x - Step 2: Convert to fraction form
16,040,319.40/24,084,098.70 = 12,450,140.20/x - Step 3: Cross multiply
16,040,319.40x = 24,084,098.70 × 12,450,140.20 - Step 4: Simplify right side
16,040,319.40x = 299,850,405,405,637.69 - Step 5: Solve for x
x = 299,850,405,405,637.69/16,040,319.40 - Step 6: Final answer
x = 18,693,543.31
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1.5x scale
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.