Finding the Fourth Proportional to 20,729,891.10, 31,097,169.45 and 6,352,844.70
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Solution
The fourth proportional to 20,729,891.10, 31,097,169.45 and 6,352,844.70 is: 9,529,981.96
Step by Step Solution
- Step 1: Write the proportion equation
20,729,891.10 : 31,097,169.45 = 6,352,844.70 : x - Step 2: Convert to fraction form
20,729,891.10/31,097,169.45 = 6,352,844.70/x - Step 3: Cross multiply
20,729,891.10x = 31,097,169.45 × 6,352,844.70 - Step 4: Simplify right side
20,729,891.10x = 197,555,488,125,434.41 - Step 5: Solve for x
x = 197,555,488,125,434.41/20,729,891.10 - Step 6: Final answer
x = 9,529,981.96
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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.