Finding the Fourth Proportional to 7,341,422.85, 10,131,450.84 and 5,023,177.70
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Solution
The fourth proportional to 7,341,422.85, 10,131,450.84 and 5,023,177.70 is: 6,932,181.80
Step by Step Solution
- Step 1: Write the proportion equation
7,341,422.85 : 10,131,450.84 = 5,023,177.70 : x - Step 2: Convert to fraction form
7,341,422.85/10,131,450.84 = 5,023,177.70/x - Step 3: Cross multiply
7,341,422.85x = 10,131,450.84 × 5,023,177.70 - Step 4: Simplify right side
7,341,422.85x = 50,892,077,877,477.02 - Step 5: Solve for x
x = 50,892,077,877,477.02/7,341,422.85 - Step 6: Final answer
x = 6,932,181.80
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1.5x scale
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.