Finding the Fourth Proportional to 19,825,079.49, 29,737,578.33 and 11,185,257.87
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Solution
The fourth proportional to 19,825,079.49, 29,737,578.33 and 11,185,257.87 is: 16,777,863.73
Step by Step Solution
- Step 1: Write the proportion equation
19,825,079.49 : 29,737,578.33 = 11,185,257.87 : x - Step 2: Convert to fraction form
19,825,079.49/29,737,578.33 = 11,185,257.87/x - Step 3: Cross multiply
19,825,079.49x = 29,737,578.33 × 11,185,257.87 - Step 4: Simplify right side
19,825,079.49x = 332,622,482,050,373.94 - Step 5: Solve for x
x = 332,622,482,050,373.94/19,825,079.49 - Step 6: Final answer
x = 16,777,863.73
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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.