Finding the Fourth Proportional to 12,409,744.06, 18,614,621.48 and 3,890,744.74
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Solution
The fourth proportional to 12,409,744.06, 18,614,621.48 and 3,890,744.74 is: 5,836,118.80
Step by Step Solution
- Step 1: Write the proportion equation
12,409,744.06 : 18,614,621.48 = 3,890,744.74 : x - Step 2: Convert to fraction form
12,409,744.06/18,614,621.48 = 3,890,744.74/x - Step 3: Cross multiply
12,409,744.06x = 18,614,621.48 × 3,890,744.74 - Step 4: Simplify right side
12,409,744.06x = 72,424,740,610,401.02 - Step 5: Solve for x
x = 72,424,740,610,401.02/12,409,744.06 - Step 6: Final answer
x = 5,836,118.80
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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.