Finding the Fourth Proportional to 9,020,306.99, 12,449,832.05 and 5,351,260.12
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Solution
The fourth proportional to 9,020,306.99, 12,449,832.05 and 5,351,260.12 is: 7,385,811.79
Step by Step Solution
- Step 1: Write the proportion equation
9,020,306.99 : 12,449,832.05 = 5,351,260.12 : x - Step 2: Convert to fraction form
9,020,306.99/12,449,832.05 = 5,351,260.12/x - Step 3: Cross multiply
9,020,306.99x = 12,449,832.05 × 5,351,260.12 - Step 4: Simplify right side
9,020,306.99x = 66,622,289,687,613.70 - Step 5: Solve for x
x = 66,622,289,687,613.70/9,020,306.99 - Step 6: Final answer
x = 7,385,811.79
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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.