Finding the Fourth Proportional to 7,341,703.80, 11,012,555.70 and 5,452,135.80
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Solution
The fourth proportional to 7,341,703.80, 11,012,555.70 and 5,452,135.80 is: 8,178,203.70
Step by Step Solution
- Step 1: Write the proportion equation
7,341,703.80 : 11,012,555.70 = 5,452,135.80 : x - Step 2: Convert to fraction form
7,341,703.80/11,012,555.70 = 5,452,135.80/x - Step 3: Cross multiply
7,341,703.80x = 11,012,555.70 × 5,452,135.80 - Step 4: Simplify right side
7,341,703.80x = 60,041,949,181,464.05 - Step 5: Solve for x
x = 60,041,949,181,464.05/7,341,703.80 - Step 6: Final answer
x = 8,178,203.70
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Similar ratio
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1.5x scale
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.