Finding the Fourth Proportional to 11,178,121.30, 16,746,514.80 and 6,371,532.70
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Solution
The fourth proportional to 11,178,121.30, 16,746,514.80 and 6,371,532.70 is: 9,545,518.77
Step by Step Solution
- Step 1: Write the proportion equation
11,178,121.30 : 16,746,514.80 = 6,371,532.70 : x - Step 2: Convert to fraction form
11,178,121.30/16,746,514.80 = 6,371,532.70/x - Step 3: Cross multiply
11,178,121.30x = 16,746,514.80 × 6,371,532.70 - Step 4: Simplify right side
11,178,121.30x = 106,700,966,659,233.97 - Step 5: Solve for x
x = 106,700,966,659,233.97/11,178,121.30 - Step 6: Final answer
x = 9,545,518.77
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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.