Finding the Fourth Proportional to 8,779,450.87, 13,234,980.08 and 8,194,209.67
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Solution
The fourth proportional to 8,779,450.87, 13,234,980.08 and 8,194,209.67 is: 12,352,731.78
Step by Step Solution
- Step 1: Write the proportion equation
8,779,450.87 : 13,234,980.08 = 8,194,209.67 : x - Step 2: Convert to fraction form
8,779,450.87/13,234,980.08 = 8,194,209.67/x - Step 3: Cross multiply
8,779,450.87x = 13,234,980.08 × 8,194,209.67 - Step 4: Simplify right side
8,779,450.87x = 108,450,201,753,793.38 - Step 5: Solve for x
x = 108,450,201,753,793.38/8,779,450.87 - Step 6: Final answer
x = 12,352,731.78
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.