Finding the Fourth Proportional to 6,416,516.70, 9,624,775.05 and 6,372,279.90
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Solution
The fourth proportional to 6,416,516.70, 9,624,775.05 and 6,372,279.90 is: 9,558,419.85
Step by Step Solution
- Step 1: Write the proportion equation
6,416,516.70 : 9,624,775.05 = 6,372,279.90 : x - Step 2: Convert to fraction form
6,416,516.70/9,624,775.05 = 6,372,279.90/x - Step 3: Cross multiply
6,416,516.70x = 9,624,775.05 × 6,372,279.90 - Step 4: Simplify right side
6,416,516.70x = 61,331,760,593,136.50 - Step 5: Solve for x
x = 61,331,760,593,136.50/6,416,516.70 - Step 6: Final answer
x = 9,558,419.85
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1.5x scale
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.