Finding the Fourth Proportional to 16,323,138.40, 24,483,670.80 and 5,540,418.40
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Solution
The fourth proportional to 16,323,138.40, 24,483,670.80 and 5,540,418.40 is: 8,310,275.69
Step by Step Solution
- Step 1: Write the proportion equation
16,323,138.40 : 24,483,670.80 = 5,540,418.40 : x - Step 2: Convert to fraction form
16,323,138.40/24,483,670.80 = 5,540,418.40/x - Step 3: Cross multiply
16,323,138.40x = 24,483,670.80 × 5,540,418.40 - Step 4: Simplify right side
16,323,138.40x = 135,649,780,199,862.73 - Step 5: Solve for x
x = 135,649,780,199,862.73/16,323,138.40 - Step 6: Final answer
x = 8,310,275.69
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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.