Finding the Fourth Proportional to 12,376,676.28, 18,564,939.54 and 6,732,769.08
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Solution
The fourth proportional to 12,376,676.28, 18,564,939.54 and 6,732,769.08 is: 10,099,112.89
Step by Step Solution
- Step 1: Write the proportion equation
12,376,676.28 : 18,564,939.54 = 6,732,769.08 : x - Step 2: Convert to fraction form
12,376,676.28/18,564,939.54 = 6,732,769.08/x - Step 3: Cross multiply
12,376,676.28x = 18,564,939.54 × 6,732,769.08 - Step 4: Simplify right side
12,376,676.28x = 124,993,450,906,981.42 - Step 5: Solve for x
x = 124,993,450,906,981.42/12,376,676.28 - Step 6: Final answer
x = 10,099,112.89
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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.