Finding the Fourth Proportional to 10,931,760.70, 16,407,555.45 and 5,544,159.10
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Solution
The fourth proportional to 10,931,760.70, 16,407,555.45 and 5,544,159.10 is: 8,321,266.84
Step by Step Solution
- Step 1: Write the proportion equation
10,931,760.70 : 16,407,555.45 = 5,544,159.10 : x - Step 2: Convert to fraction form
10,931,760.70/16,407,555.45 = 5,544,159.10/x - Step 3: Cross multiply
10,931,760.70x = 16,407,555.45 × 5,544,159.10 - Step 4: Simplify right side
10,931,760.70x = 90,966,097,856,872.08 - Step 5: Solve for x
x = 90,966,097,856,872.08/10,931,760.70 - Step 6: Final answer
x = 8,321,266.84
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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.