Finding the Fourth Proportional to 12,785,951.16, 19,179,092.97 and 4,266,287.63
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Solution
The fourth proportional to 12,785,951.16, 19,179,092.97 and 4,266,287.63 is: 6,399,486.90
Step by Step Solution
- Step 1: Write the proportion equation
12,785,951.16 : 19,179,092.97 = 4,266,287.63 : x - Step 2: Convert to fraction form
12,785,951.16/19,179,092.97 = 4,266,287.63/x - Step 3: Cross multiply
12,785,951.16x = 19,179,092.97 × 4,266,287.63 - Step 4: Simplify right side
12,785,951.16x = 81,823,526,996,635.48 - Step 5: Solve for x
x = 81,823,526,996,635.48/12,785,951.16 - Step 6: Final answer
x = 6,399,486.90
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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.