Finding the Fourth Proportional to 7,232,104.78, 9,977,463.43 and 4,132,965.49
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Solution
The fourth proportional to 7,232,104.78, 9,977,463.43 and 4,132,965.49 is: 5,701,868.72
Step by Step Solution
- Step 1: Write the proportion equation
7,232,104.78 : 9,977,463.43 = 4,132,965.49 : x - Step 2: Convert to fraction form
7,232,104.78/9,977,463.43 = 4,132,965.49/x - Step 3: Cross multiply
7,232,104.78x = 9,977,463.43 × 4,132,965.49 - Step 4: Simplify right side
7,232,104.78x = 41,236,511,998,650.96 - Step 5: Solve for x
x = 41,236,511,998,650.96/7,232,104.78 - Step 6: Final answer
x = 5,701,868.72
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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.