Finding the Fourth Proportional to 19,979,125.98, 27,571,192.95 and 10,811,768.98
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Solution
The fourth proportional to 19,979,125.98, 27,571,192.95 and 10,811,768.98 is: 14,920,240.70
Step by Step Solution
- Step 1: Write the proportion equation
19,979,125.98 : 27,571,192.95 = 10,811,768.98 : x - Step 2: Convert to fraction form
19,979,125.98/27,571,192.95 = 10,811,768.98/x - Step 3: Cross multiply
19,979,125.98x = 27,571,192.95 × 10,811,768.98 - Step 4: Simplify right side
19,979,125.98x = 298,093,368,678,404.69 - Step 5: Solve for x
x = 298,093,368,678,404.69/19,979,125.98 - Step 6: Final answer
x = 14,920,240.70
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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.