Finding the Fourth Proportional to 9,486,149.78, 14,229,618.36 and 2,754,563.78
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Solution
The fourth proportional to 9,486,149.78, 14,229,618.36 and 2,754,563.78 is: 4,131,959.99
Step by Step Solution
- Step 1: Write the proportion equation
9,486,149.78 : 14,229,618.36 = 2,754,563.78 : x - Step 2: Convert to fraction form
9,486,149.78/14,229,618.36 = 2,754,563.78/x - Step 3: Cross multiply
9,486,149.78x = 14,229,618.36 × 2,754,563.78 - Step 4: Simplify right side
9,486,149.78x = 39,196,391,337,679 - Step 5: Solve for x
x = 39,196,391,337,679/9,486,149.78 - Step 6: Final answer
x = 4,131,959.99
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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.