Finding the Fourth Proportional to 7,340,805.20, 11,011,207.80 and 6,773,934.80
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Solution
The fourth proportional to 7,340,805.20, 11,011,207.80 and 6,773,934.80 is: 10,160,902.20
Step by Step Solution
- Step 1: Write the proportion equation
7,340,805.20 : 11,011,207.80 = 6,773,934.80 : x - Step 2: Convert to fraction form
7,340,805.20/11,011,207.80 = 6,773,934.80/x - Step 3: Cross multiply
7,340,805.20x = 11,011,207.80 × 6,773,934.80 - Step 4: Simplify right side
7,340,805.20x = 74,589,203,706,451.44 - Step 5: Solve for x
x = 74,589,203,706,451.44/7,340,805.20 - Step 6: Final answer
x = 10,160,902.20
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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.