Finding the Fourth Proportional to 6,627,511.68, 9,934,963.20 and 4,224,609.60
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Solution
The fourth proportional to 6,627,511.68, 9,934,963.20 and 4,224,609.60 is: 6,332,895.80
Step by Step Solution
- Step 1: Write the proportion equation
6,627,511.68 : 9,934,963.20 = 4,224,609.60 : x - Step 2: Convert to fraction form
6,627,511.68/9,934,963.20 = 4,224,609.60/x - Step 3: Cross multiply
6,627,511.68x = 9,934,963.20 × 4,224,609.60 - Step 4: Simplify right side
6,627,511.68x = 41,971,340,910,366.71 - Step 5: Solve for x
x = 41,971,340,910,366.71/6,627,511.68 - Step 6: Final answer
x = 6,332,895.80
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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.