Finding the Fourth Proportional to 16,394,780.80, 24,607,042.80 and 8,313,378.40
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Solution
The fourth proportional to 16,394,780.80, 24,607,042.80 and 8,313,378.40 is: 12,477,608.61
Step by Step Solution
- Step 1: Write the proportion equation
16,394,780.80 : 24,607,042.80 = 8,313,378.40 : x - Step 2: Convert to fraction form
16,394,780.80/24,607,042.80 = 8,313,378.40/x - Step 3: Cross multiply
16,394,780.80x = 24,607,042.80 × 8,313,378.40 - Step 4: Simplify right side
16,394,780.80x = 204,567,658,101,395.53 - Step 5: Solve for x
x = 204,567,658,101,395.53/16,394,780.80 - Step 6: Final answer
x = 12,477,608.61
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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.