Finding the Fourth Proportional to 19,897,753.44, 29,844,915.66 and 12,114,650.28
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Solution
The fourth proportional to 19,897,753.44, 29,844,915.66 and 12,114,650.28 is: 18,170,931.56
Step by Step Solution
- Step 1: Write the proportion equation
19,897,753.44 : 29,844,915.66 = 12,114,650.28 : x - Step 2: Convert to fraction form
19,897,753.44/29,844,915.66 = 12,114,650.28/x - Step 3: Cross multiply
19,897,753.44x = 29,844,915.66 × 12,114,650.28 - Step 4: Simplify right side
19,897,753.44x = 361,560,715,856,995.38 - Step 5: Solve for x
x = 361,560,715,856,995.38/19,897,753.44 - Step 6: Final answer
x = 18,170,931.56
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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.