Finding the Fourth Proportional to 7,645,066.20, 11,467,599.30 and 2,596,376.70
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Solution
The fourth proportional to 7,645,066.20, 11,467,599.30 and 2,596,376.70 is: 3,894,565.05
Step by Step Solution
- Step 1: Write the proportion equation
7,645,066.20 : 11,467,599.30 = 2,596,376.70 : x - Step 2: Convert to fraction form
7,645,066.20/11,467,599.30 = 2,596,376.70/x - Step 3: Cross multiply
7,645,066.20x = 11,467,599.30 × 2,596,376.70 - Step 4: Simplify right side
7,645,066.20x = 29,774,207,627,456.31 - Step 5: Solve for x
x = 29,774,207,627,456.31/7,645,066.20 - Step 6: Final answer
x = 3,894,565.05
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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.