Finding the Fourth Proportional to 19,845,540.96, 29,724,910.42 and 14,070,770.18
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Solution
The fourth proportional to 19,845,540.96, 29,724,910.42 and 14,070,770.18 is: 21,075,383.33
Step by Step Solution
- Step 1: Write the proportion equation
19,845,540.96 : 29,724,910.42 = 14,070,770.18 : x - Step 2: Convert to fraction form
19,845,540.96/29,724,910.42 = 14,070,770.18/x - Step 3: Cross multiply
19,845,540.96x = 29,724,910.42 × 14,070,770.18 - Step 4: Simplify right side
19,845,540.96x = 418,252,383,140,907.31 - Step 5: Solve for x
x = 418,252,383,140,907.31/19,845,540.96 - Step 6: Final answer
x = 21,075,383.33
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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.