Finding the Fourth Proportional to 9,957,296.80, 14,930,415.60 and 3,966,896.80
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Solution
The fourth proportional to 9,957,296.80, 14,930,415.60 and 3,966,896.80 is: 5,948,142.26
Step by Step Solution
- Step 1: Write the proportion equation
9,957,296.80 : 14,930,415.60 = 3,966,896.80 : x - Step 2: Convert to fraction form
9,957,296.80/14,930,415.60 = 3,966,896.80/x - Step 3: Cross multiply
9,957,296.80x = 14,930,415.60 × 3,966,896.80 - Step 4: Simplify right side
9,957,296.80x = 59,227,417,866,310.08 - Step 5: Solve for x
x = 59,227,417,866,310.08/9,957,296.80 - Step 6: Final answer
x = 5,948,142.26
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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.