Finding the Fourth Proportional to 9,966,920, 14,948,863.68 and 2,777,696.96
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Solution
The fourth proportional to 9,966,920, 14,948,863.68 and 2,777,696.96 is: 4,166,122.85
Step by Step Solution
- Step 1: Write the proportion equation
9,966,920 : 14,948,863.68 = 2,777,696.96 : x - Step 2: Convert to fraction form
9,966,920/14,948,863.68 = 2,777,696.96/x - Step 3: Cross multiply
9,966,920x = 14,948,863.68 × 2,777,696.96 - Step 4: Simplify right side
9,966,920x = 41,523,413,199,390.41 - Step 5: Solve for x
x = 41,523,413,199,390.41/9,966,920 - Step 6: Final answer
x = 4,166,122.85
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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.