Finding the Fourth Proportional to 10,856,419.66, 16,285,153.20 and 3,569,718.08
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Solution
The fourth proportional to 10,856,419.66, 16,285,153.20 and 3,569,718.08 is: 5,354,749.32
Step by Step Solution
- Step 1: Write the proportion equation
10,856,419.66 : 16,285,153.20 = 3,569,718.08 : x - Step 2: Convert to fraction form
10,856,419.66/16,285,153.20 = 3,569,718.08/x - Step 3: Cross multiply
10,856,419.66x = 16,285,153.20 × 3,569,718.08 - Step 4: Simplify right side
10,856,419.66x = 58,133,405,806,639.85 - Step 5: Solve for x
x = 58,133,405,806,639.85/10,856,419.66 - Step 6: Final answer
x = 5,354,749.32
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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.