Finding the Fourth Proportional to 10,880,586.80, 16,306,883.40 and 6,616,228.40
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Solution
The fourth proportional to 10,880,586.80, 16,306,883.40 and 6,616,228.40 is: 9,915,831.48
Step by Step Solution
- Step 1: Write the proportion equation
10,880,586.80 : 16,306,883.40 = 6,616,228.40 : x - Step 2: Convert to fraction form
10,880,586.80/16,306,883.40 = 6,616,228.40/x - Step 3: Cross multiply
10,880,586.80x = 16,306,883.40 × 6,616,228.40 - Step 4: Simplify right side
10,880,586.80x = 107,890,065,066,568.56 - Step 5: Solve for x
x = 107,890,065,066,568.56/10,880,586.80 - Step 6: Final answer
x = 9,915,831.48
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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.