Finding the Fourth Proportional to 19,981,122.30, 27,574,031.88 and 10,813,764.24
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Solution
The fourth proportional to 19,981,122.30, 27,574,031.88 and 10,813,764.24 is: 14,923,039.63
Step by Step Solution
- Step 1: Write the proportion equation
19,981,122.30 : 27,574,031.88 = 10,813,764.24 : x - Step 2: Convert to fraction form
19,981,122.30/27,574,031.88 = 10,813,764.24/x - Step 3: Cross multiply
19,981,122.30x = 27,574,031.88 × 10,813,764.24 - Step 4: Simplify right side
19,981,122.30x = 298,179,079,896,563.94 - Step 5: Solve for x
x = 298,179,079,896,563.94/19,981,122.30 - Step 6: Final answer
x = 14,923,039.63
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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.