Finding the Fourth Proportional to 10,367,383.76, 14,306,995.74 and 5,783,705.12
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Solution
The fourth proportional to 10,367,383.76, 14,306,995.74 and 5,783,705.12 is: 7,981,516.50
Step by Step Solution
- Step 1: Write the proportion equation
10,367,383.76 : 14,306,995.74 = 5,783,705.12 : x - Step 2: Convert to fraction form
10,367,383.76/14,306,995.74 = 5,783,705.12/x - Step 3: Cross multiply
10,367,383.76x = 14,306,995.74 × 5,783,705.12 - Step 4: Simplify right side
10,367,383.76x = 82,747,444,513,256.19 - Step 5: Solve for x
x = 82,747,444,513,256.19/10,367,383.76 - Step 6: Final answer
x = 7,981,516.50
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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.