Finding the Fourth Proportional to 19,618,330.82, 29,408,406.21 and 9,380,534.94
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Solution
The fourth proportional to 19,618,330.82, 29,408,406.21 and 9,380,534.94 is: 14,061,674.49
Step by Step Solution
- Step 1: Write the proportion equation
19,618,330.82 : 29,408,406.21 = 9,380,534.94 : x - Step 2: Convert to fraction form
19,618,330.82/29,408,406.21 = 9,380,534.94/x - Step 3: Cross multiply
19,618,330.82x = 29,408,406.21 × 9,380,534.94 - Step 4: Simplify right side
19,618,330.82x = 275,866,581,982,617.97 - Step 5: Solve for x
x = 275,866,581,982,617.97/19,618,330.82 - Step 6: Final answer
x = 14,061,674.49
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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.