Finding the Fourth Proportional to 51,472,377.95, 71,031,623.42 and 27,950,704.56
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Solution
The fourth proportional to 51,472,377.95, 71,031,623.42 and 27,950,704.56 is: 38,571,832.12
Step by Step Solution
- Step 1: Write the proportion equation
51,472,377.95 : 71,031,623.42 = 27,950,704.56 : x - Step 2: Convert to fraction form
51,472,377.95/71,031,623.42 = 27,950,704.56/x - Step 3: Cross multiply
51,472,377.95x = 71,031,623.42 × 27,950,704.56 - Step 4: Simplify right side
51,472,377.95x = 1,985,383,920,756,212 - Step 5: Solve for x
x = 1,985,383,920,756,212/51,472,377.95 - Step 6: Final answer
x = 38,571,832.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.