Finding the Fourth Proportional to 15,594,492.20, 23,497,013.49 and 12,921,524.09
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Solution
The fourth proportional to 15,594,492.20, 23,497,013.49 and 12,921,524.09 is: 19,469,516.67
Step by Step Solution
- Step 1: Write the proportion equation
15,594,492.20 : 23,497,013.49 = 12,921,524.09 : x - Step 2: Convert to fraction form
15,594,492.20/23,497,013.49 = 12,921,524.09/x - Step 3: Cross multiply
15,594,492.20x = 23,497,013.49 × 12,921,524.09 - Step 4: Simplify right side
15,594,492.20x = 303,617,225,776,262.94 - Step 5: Solve for x
x = 303,617,225,776,262.94/15,594,492.20 - Step 6: Final answer
x = 19,469,516.67
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.