Finding the Fourth Proportional to 19,874,571.74, 29,818,156.17 and 7,094,793.50
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Solution
The fourth proportional to 19,874,571.74, 29,818,156.17 and 7,094,793.50 is: 10,644,438.70
Step by Step Solution
- Step 1: Write the proportion equation
19,874,571.74 : 29,818,156.17 = 7,094,793.50 : x - Step 2: Convert to fraction form
19,874,571.74/29,818,156.17 = 7,094,793.50/x - Step 3: Cross multiply
19,874,571.74x = 29,818,156.17 × 7,094,793.50 - Step 4: Simplify right side
19,874,571.74x = 211,553,660,576,900.91 - Step 5: Solve for x
x = 211,553,660,576,900.91/19,874,571.74 - Step 6: Final answer
x = 10,644,438.70
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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.