Finding the Fourth Proportional to 15,512,283.38, 23,224,678.80 and 8,209,201.48
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Solution
The fourth proportional to 15,512,283.38, 23,224,678.80 and 8,209,201.48 is: 12,290,651.40
Step by Step Solution
- Step 1: Write the proportion equation
15,512,283.38 : 23,224,678.80 = 8,209,201.48 : x - Step 2: Convert to fraction form
15,512,283.38/23,224,678.80 = 8,209,201.48/x - Step 3: Cross multiply
15,512,283.38x = 23,224,678.80 × 8,209,201.48 - Step 4: Simplify right side
15,512,283.38x = 190,656,067,488,638.44 - Step 5: Solve for x
x = 190,656,067,488,638.44/15,512,283.38 - Step 6: Final answer
x = 12,290,651.40
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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.