Finding the Fourth Proportional to 16,390,138.80, 24,585,208.20 and 15,550,330.80
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Solution
The fourth proportional to 16,390,138.80, 24,585,208.20 and 15,550,330.80 is: 23,325,496.20
Step by Step Solution
- Step 1: Write the proportion equation
16,390,138.80 : 24,585,208.20 = 15,550,330.80 : x - Step 2: Convert to fraction form
16,390,138.80/24,585,208.20 = 15,550,330.80/x - Step 3: Cross multiply
16,390,138.80x = 24,585,208.20 × 15,550,330.80 - Step 4: Simplify right side
16,390,138.80x = 382,308,120,296,872.56 - Step 5: Solve for x
x = 382,308,120,296,872.56/16,390,138.80 - Step 6: Final answer
x = 23,325,496.20
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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.