Finding the Fourth Proportional to 20,995,717.80, 31,493,576.70 and 5,849,649.30
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Solution
The fourth proportional to 20,995,717.80, 31,493,576.70 and 5,849,649.30 is: 8,774,473.95
Step by Step Solution
- Step 1: Write the proportion equation
20,995,717.80 : 31,493,576.70 = 5,849,649.30 : x - Step 2: Convert to fraction form
20,995,717.80/31,493,576.70 = 5,849,649.30/x - Step 3: Cross multiply
20,995,717.80x = 31,493,576.70 × 5,849,649.30 - Step 4: Simplify right side
20,995,717.80x = 184,226,378,897,651.31 - Step 5: Solve for x
x = 184,226,378,897,651.31/20,995,717.80 - Step 6: Final answer
x = 8,774,473.95
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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.