Finding the Fourth Proportional to 21,620,755.76, 32,424,460.08 and 6,269,177.03
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Solution
The fourth proportional to 21,620,755.76, 32,424,460.08 and 6,269,177.03 is: 9,401,830.47
Step by Step Solution
- Step 1: Write the proportion equation
21,620,755.76 : 32,424,460.08 = 6,269,177.03 : x - Step 2: Convert to fraction form
21,620,755.76/32,424,460.08 = 6,269,177.03/x - Step 3: Cross multiply
21,620,755.76x = 32,424,460.08 × 6,269,177.03 - Step 4: Simplify right side
21,620,755.76x = 203,274,680,343,687.97 - Step 5: Solve for x
x = 203,274,680,343,687.97/21,620,755.76 - Step 6: Final answer
x = 9,401,830.47
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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.