Finding the Fourth Proportional to 20,366,490.80, 30,526,116.60 and 8,227,984.70
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Solution
The fourth proportional to 20,366,490.80, 30,526,116.60 and 8,227,984.70 is: 12,332,434.82
Step by Step Solution
- Step 1: Write the proportion equation
20,366,490.80 : 30,526,116.60 = 8,227,984.70 : x - Step 2: Convert to fraction form
20,366,490.80/30,526,116.60 = 8,227,984.70/x - Step 3: Cross multiply
20,366,490.80x = 30,526,116.60 × 8,227,984.70 - Step 4: Simplify right side
20,366,490.80x = 251,168,420,335,216.03 - Step 5: Solve for x
x = 251,168,420,335,216.03/20,366,490.80 - Step 6: Final answer
x = 12,332,434.82
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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.