Finding the Fourth Proportional to 19,897,951.68, 29,846,927.52 and 5,521,021.92
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Solution
The fourth proportional to 19,897,951.68, 29,846,927.52 and 5,521,021.92 is: 8,281,532.88
Step by Step Solution
- Step 1: Write the proportion equation
19,897,951.68 : 29,846,927.52 = 5,521,021.92 : x - Step 2: Convert to fraction form
19,897,951.68/29,846,927.52 = 5,521,021.92/x - Step 3: Cross multiply
19,897,951.68x = 29,846,927.52 × 5,521,021.92 - Step 4: Simplify right side
19,897,951.68x = 164,785,541,082,571.22 - Step 5: Solve for x
x = 164,785,541,082,571.22/19,897,951.68 - Step 6: Final answer
x = 8,281,532.88
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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.