Finding the Fourth Proportional to 5,551,846.74, 8,327,770.11 and 3,312,358.74
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Solution
The fourth proportional to 5,551,846.74, 8,327,770.11 and 3,312,358.74 is: 4,968,538.11
Step by Step Solution
- Step 1: Write the proportion equation
5,551,846.74 : 8,327,770.11 = 3,312,358.74 : x - Step 2: Convert to fraction form
5,551,846.74/8,327,770.11 = 3,312,358.74/x - Step 3: Cross multiply
5,551,846.74x = 8,327,770.11 × 3,312,358.74 - Step 4: Simplify right side
5,551,846.74x = 27,584,562,092,007.47 - Step 5: Solve for x
x = 27,584,562,092,007.47/5,551,846.74 - Step 6: Final answer
x = 4,968,538.11
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Double scale
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Similar ratio
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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.