Finding the Fourth Proportional to 35,351,421.30, 48,779,259.48 and 19,880,583.30
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Solution
The fourth proportional to 35,351,421.30, 48,779,259.48 and 19,880,583.30 is: 27,431,998.37
Step by Step Solution
- Step 1: Write the proportion equation
35,351,421.30 : 48,779,259.48 = 19,880,583.30 : x - Step 2: Convert to fraction form
35,351,421.30/48,779,259.48 = 19,880,583.30/x - Step 3: Cross multiply
35,351,421.30x = 48,779,259.48 × 19,880,583.30 - Step 4: Simplify right side
35,351,421.30x = 969,760,131,404,454.62 - Step 5: Solve for x
x = 969,760,131,404,454.62/35,351,421.30 - Step 6: Final answer
x = 27,431,998.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.