Finding the Fourth Proportional to 6,299,299.05, 8,688,391.13 and 4,750,625.92
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Solution
The fourth proportional to 6,299,299.05, 8,688,391.13 and 4,750,625.92 is: 6,552,363.33
Step by Step Solution
- Step 1: Write the proportion equation
6,299,299.05 : 8,688,391.13 = 4,750,625.92 : x - Step 2: Convert to fraction form
6,299,299.05/8,688,391.13 = 4,750,625.92/x - Step 3: Cross multiply
6,299,299.05x = 8,688,391.13 × 4,750,625.92 - Step 4: Simplify right side
6,299,299.05x = 41,275,296,061,834.14 - Step 5: Solve for x
x = 41,275,296,061,834.14/6,299,299.05 - Step 6: Final answer
x = 6,552,363.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.