Finding the Fourth Proportional to 7,639,706.07, 11,457,126.66 and 2,521,183.23
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Solution
The fourth proportional to 7,639,706.07, 11,457,126.66 and 2,521,183.23 is: 3,780,972.11
Step by Step Solution
- Step 1: Write the proportion equation
7,639,706.07 : 11,457,126.66 = 2,521,183.23 : x - Step 2: Convert to fraction form
7,639,706.07/11,457,126.66 = 2,521,183.23/x - Step 3: Cross multiply
7,639,706.07x = 11,457,126.66 × 2,521,183.23 - Step 4: Simplify right side
7,639,706.07x = 28,885,515,599,177.91 - Step 5: Solve for x
x = 28,885,515,599,177.91/7,639,706.07 - Step 6: Final answer
x = 3,780,972.11
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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.