Finding the Fourth Proportional to 7,042,646.92, 10,564,670.46 and 2,555,272.84
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Solution
The fourth proportional to 7,042,646.92, 10,564,670.46 and 2,555,272.84 is: 3,833,163.27
Step by Step Solution
- Step 1: Write the proportion equation
7,042,646.92 : 10,564,670.46 = 2,555,272.84 : x - Step 2: Convert to fraction form
7,042,646.92/10,564,670.46 = 2,555,272.84/x - Step 3: Cross multiply
7,042,646.92x = 10,564,670.46 × 2,555,272.84 - Step 4: Simplify right side
7,042,646.92x = 26,995,615,489,988.31 - Step 5: Solve for x
x = 26,995,615,489,988.31/7,042,646.92 - Step 6: Final answer
x = 3,833,163.27
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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.