Finding the Fourth Proportional to 19,681,507.26, 29,520,267.48 and 5,306,028.21
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Solution
The fourth proportional to 19,681,507.26, 29,520,267.48 and 5,306,028.21 is: 7,958,504.90
Step by Step Solution
- Step 1: Write the proportion equation
19,681,507.26 : 29,520,267.48 = 5,306,028.21 : x - Step 2: Convert to fraction form
19,681,507.26/29,520,267.48 = 5,306,028.21/x - Step 3: Cross multiply
19,681,507.26x = 29,520,267.48 × 5,306,028.21 - Step 4: Simplify right side
19,681,507.26x = 156,635,372,015,625.62 - Step 5: Solve for x
x = 156,635,372,015,625.62/19,681,507.26 - Step 6: Final answer
x = 7,958,504.90
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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.