Finding the Fourth Proportional to 20,857,032.73, 31,285,607.41 and 6,482,202.49
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Solution
The fourth proportional to 20,857,032.73, 31,285,607.41 and 6,482,202.49 is: 9,723,321.85
Step by Step Solution
- Step 1: Write the proportion equation
20,857,032.73 : 31,285,607.41 = 6,482,202.49 : x - Step 2: Convert to fraction form
20,857,032.73/31,285,607.41 = 6,482,202.49/x - Step 3: Cross multiply
20,857,032.73x = 31,285,607.41 × 6,482,202.49 - Step 4: Simplify right side
20,857,032.73x = 202,799,642,097,836.44 - Step 5: Solve for x
x = 202,799,642,097,836.44/20,857,032.73 - Step 6: Final answer
x = 9,723,321.85
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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.