Finding the Fourth Proportional to 7,701,143.95, 10,627,157.23 and 4,215,808.68
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Solution
The fourth proportional to 7,701,143.95, 10,627,157.23 and 4,215,808.68 is: 5,817,585.28
Step by Step Solution
- Step 1: Write the proportion equation
7,701,143.95 : 10,627,157.23 = 4,215,808.68 : x - Step 2: Convert to fraction form
7,701,143.95/10,627,157.23 = 4,215,808.68/x - Step 3: Cross multiply
7,701,143.95x = 10,627,157.23 × 4,215,808.68 - Step 4: Simplify right side
7,701,143.95x = 44,802,061,693,958.76 - Step 5: Solve for x
x = 44,802,061,693,958.76/7,701,143.95 - Step 6: Final answer
x = 5,817,585.28
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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.