Finding the Fourth Proportional to 8,317,201.80, 12,457,140.30 and 6,824,209.80
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Solution
The fourth proportional to 8,317,201.80, 12,457,140.30 and 6,824,209.80 is: 10,221,002.32
Step by Step Solution
- Step 1: Write the proportion equation
8,317,201.80 : 12,457,140.30 = 6,824,209.80 : x - Step 2: Convert to fraction form
8,317,201.80/12,457,140.30 = 6,824,209.80/x - Step 3: Cross multiply
8,317,201.80x = 12,457,140.30 × 6,824,209.80 - Step 4: Simplify right side
8,317,201.80x = 85,010,138,915,234.94 - Step 5: Solve for x
x = 85,010,138,915,234.94/8,317,201.80 - Step 6: Final answer
x = 10,221,002.32
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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.