Finding the Fourth Proportional to 23,330,486.10, 34,995,729.15 and 18,512,087.70
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Solution
The fourth proportional to 23,330,486.10, 34,995,729.15 and 18,512,087.70 is: 27,768,131.55
Step by Step Solution
- Step 1: Write the proportion equation
23,330,486.10 : 34,995,729.15 = 18,512,087.70 : x - Step 2: Convert to fraction form
23,330,486.10/34,995,729.15 = 18,512,087.70/x - Step 3: Cross multiply
23,330,486.10x = 34,995,729.15 × 18,512,087.70 - Step 4: Simplify right side
23,330,486.10x = 647,844,007,150,246.38 - Step 5: Solve for x
x = 647,844,007,150,246.38/23,330,486.10 - Step 6: Final answer
x = 27,768,131.55
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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.